Intelligent Audio Solution Service Provider www.s-track.com.cn

SHENZHEN S-TRACK SCIENCE \& TECHNOLOGY CO., LTD • A national high-tech enterprise specializing in R\&D, production and sales of audio products; • The products have obtained a number of patents and software copyrights, providing users with professional products and overall solutions in conference, education, justice, business, transportation, finance and other fields; • Committed to audio and video digitization, networking, intelligent, actively build an audio and video intelligent ecological circle;

Catalogue 1 5 Audio Processor 7 9 Digital Audio Processor 13 Audio Processor Network Dante 15 Speaker Management Processor Amplifier Audio Processor 21 Swift Audio Processor 23 Digital Audio Box 25 27 Connectivity Solutions 31 Multi channel Dante Interface 2 Channel Networked Wall Plate 35 4 Channel Small Form Factor 35 2 Channel Dante IO Adapter Centralized DSP DCORE Dante Control Panel Push Button Wall Touch Screen Panel

Catalogue Microphone Series 39 40 Table Microphone 41 Conference Microphone 43 Hanging Microphone 44 Ceiling Microphone Discussion \& Conference System 49 51 Speaker Series 53 54 Ceiling Speaker Dante PoE Speaker 58 Dante active speaker 60 Intelligent Portable Active Speaker System 62 Power Amplifier Series 2 Channel Amplifier 4 Channel Amplifier 4 Channel DSP Digital Power Amplifier

Audio Processor

Digital Audio Processor(Tiger Series) Model No.:Tiger 88 series,Tiger 1616 series DSP 51dB TI dual-core 51dB AFC，AEC，ANC Central command set High quality High speed Ultra wide gain Intelligent generated recording/playback floating point DSP amplification USB2.0 Port Tiger series is equipped with Ti dual-core high-speed floating point CPU and Tiger PLUS system, which greatly improves the processing power of Ti chip.Maximum support 16 analog input and output of audio signal processing, support USB record�ing and playback function, support RS232, RS485, GPIO control interface, perfect connection to various control devices. Customers can choose feedback cancellation (AFC), echo cancellation (AEC), noise cancellation (ANC) algorithm. Sampling 48KHz Common Mode Rejection 70dB @80 Hz DC48V Maximum input level 18dBu Phantom power 20～ 20K Hz，±0.2dB Maximum output level 18dBu ≦0.003% @4dBu Floor Noise -90dBu Frequency response 20kΩ Working Power Supply 100Ω AC110V/220V,50Hz/60Hz THD+N 104dB @1k Hz Operating Temperature -10-70℃ Input impedance Size 482x258x45(mm) (Balanced) Output impedance (Balanced) Channel isolation —1—

Digital Audio Processor(Tiger Series) TIGER PLUS system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. It is suitable for meeting room, interactive teaching, judicial system and court, video conference and other scenes, It can choose feedback cancellation, noise cancellation and echo cancellation, improve the quality of the meeting. Conference Room Court Command Center Class Room —2—

Telephone Audio Processor Model No.:Tiger T88S DSP 51dB TI dual-core 51dB Conference call Central command set High quality High speed Ultra wide gain full duplex floating point DSP Intelligent generated recording/playback amplification USB2.0 Port Telephone-based digital audio processor enables simple and convenient high-quality telephone voice and achieves regular telephone conference. In terms of control operations, the telephone is similar to ordinary telephone, and is easy to operate. TIGER T series with telephone interface, support full duplex voice transmission, suitable for all kinds of remote teleconferencing. Conference Room Court Administrative center Class Room —3—

Telephone Audio Processor Sampling 48KHz Common Mode Rejection 70dB @80 Hz DC48V Maximum input level 18dBu Phantom power 20 20K Hz ±0.2dB Maximum output level 18dBu 0.004% @4dBu Floor Noise -90dBu Frequency response 20kΩ Working Power Supply 100Ω AC110V/220V,50Hz/60Hz THD+N 104dB @1k Hz Operating Temperature -10-70 Input impedance Size 482x258x45(mm) (Balanced) Output impedance (Balanced) Channel isolation TIGER PLUS system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. —4—

Network Audio Processor(Dante) Model No.:Tiger D88 series,Tiger D1616 series DSP TI dual-core Dante Uncompressed Real-time backup Central command set High quality High speed AoIP Audio network transmission Safety and stability Intelligent generated recording/playback floating point DSP Support for ultra USB2.0 Port high sampling Tiger D series network audio processor maximum support 16 way analog input and output and 16 way Dante digital input and output channel, built-in Dante network transmission module It provides low delay and high fidelity audio signal transmission under the support of high broadband network. It supports USB recording and playback function, support RS232, RS485, GPIO control interface, perfect connection of various control devices Customers can choose feedback cancellation (AFC), echo cancellation (AEC), noise cancellation (ANC) algorithm. Sampling 48KHz Common Mode Rejection 70dB @80 Hz DC48V Maximum input level 18dBu Phantom power 20 20K Hz ±0.2dB Maximum output level 18dBu 0.003% @4dBu -90dBu Frequency response 20kΩ Floor Noise 100Ω Working Power Supply AC110V/220V,50Hz/60Hz THD+N 104dB @1k Hz Operating Temperature -10-70 Input impedance Size 482x258x45(mm) (Balanced) Output impedance (Balanced) Channel isolation —5—

Network Audio Processor(Dante) TIGER PLUS system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. With DBOX and DMIC, it provides long-distance transmission within buildings and communities, suitable for large multi-system interconnection projects such as hotels, supermarkets, gymnasiums, transportation hubs, theme parks, corporate headquarters, administrative centers and learning hubs. Corporate headquarter Stadium Transportation junction Administration center —6—

Speaker Management Processor Model No.:Dolphin 24,Dolphin 26,Dolphin 36,Dolphin 48;Dolphin D24,Dolphin D26,Dolphin D36,Dolphin D48 Dolphin series speaker management processor supports multi-channel analog signal input and output. Dolphin D series supports multi-channel Dante network signal input and output. Dolphin series and Dolphin D series are built with high-perfor- mance DSP processing chips, 31 segment graphic equalizer, 15 segment parameter equalizer, gain control, compressor, delay and other functions. Frequency response 20~20KHz,±0.2 dB Sampling 48KHz Maximum input level +18 dBu,Balanced input 24bit Maximum output level +18 dBu,Balanced output Digitalizing bit -90dBu 20 KΩ THD+N <0.002% @ 4dBu Floor Noise 100 Ω Channel isolation 85 dB @ 1 KHz Input impedance 1.9kg 440x208x44mm Size (Balanced) Output impedance (Balanced) Gross weight —7—

Speaker Management Processor · High performance DSP processing chip, 24bit, 48kHz processing capacity; · Support multiple analog signals, Dante signal input and output; · Built-in digital audio processing algorithms: gain, delay, EQ, mixing matrix compressor, divider and limiter; · Support FIR filter; · Connect via USB or RJ45 cable to achieve PC software control Settings; · Save, change, import and export functions of multiple scenes; · The menu can be selected by the rotary encoder to facilitate user operation; It is suitable for large conference room, exhibition hall, multi-functional hall, gymnasium and other occasions. Conference rooms Exhibition hall Multifunction Room Gymnasium —8—

Amplifier Audio Processor (LION Series) Model No.:LION 44 series,88 series,1616 series, DSP 51dB TI dual-core 51dB AFC AEC ANC Efficient amplification Central command set High quality High speed Ultra wide Double channel class Intelligent generated recording/playback floating point DSP gain amplification D amplifier USB2.0 Port LION digital audio all-in-one is a dual-channel 145W digital amplifier module based on the TIGER professional processor.The integration of signal processing and power amplification in one device shortens the signal path and simplifies the engineer-ing wiring.Supports power RS232 control port. Customers can choose feedback cancellation (AFC), echo cancellation (AEC), noise cancellation (ANC) algorithm. Sampling 48KHz Common Mode Rejection 70dB @80 Hz DC48V Maximum input level 18dBu Phantom power 20 20K Hz ±0.2dB Maximum output level 18dBu 0.003% @4dBu -90dBu Frequency response 20kΩ Floor Noise 2x150W 100Ω Amplifier Power THD+N 104dB @1k Hz Working Power Supply AC110V/220V,50Hz/60Hz Input impedance Operating Temperature -10-70 (Balanced) Output impedance (Balanced) Channel isolation —9—

Amplifier Audio Processor (LION Series) The system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. It is suitable for conference rooms, banquet halls, local sound amplifiers, video conferencing. LION series processor built-in amplifier, can simplify the audio system, audio system construction in limited space. Conference rooms Banquet halls Small activities Class Room — 10 —

Amplifier Audio Processor (LION V Series) Model No.:LION V44 series,V88 series,V1616 series DSP 51dB TI dual-core 51dB wireless Efficient amplification Central command set High quality High speed Ultra wide microphone UHF Double channel class Intelligent generated recording/playback floating point DSP gain amplification Dual channel D amplifier USB2.0 Port LION V digital audio all-in-one machine set a dual-channel UHF wireless reception mode on the basis of LION professional version series. Users can choose to use with wireless handheld microphone or Wireless collar microphone. The integration makes the operation more easy and simple, also support RS232 control. It is suitable for conference rooms, banquet halls, local sound amplifiers, video conferencing. LION series processor built-in amplifier, can simplify the audio system, audio system construction in limited space. Conference rooms Banquet halls Small events Class Room — 11 —

Amplifier Audio Processor (LION V Series) Sampling 48KHz Common mode rejection 70dB @80 Hz DC48V Maximum input level 18dBu Phantom power 20 20K Hz ±0.2dB Maximum output level 18dBu 0.003% @4dBu -90dBu Frequency response 20kΩ Floor noise 2x150W 100Ω Amplifier Power THD+N 104dB @1k Hz Working Power Supply AC110V/220V,50Hz/60Hz Input impedance Operating Temperature -10-70 (Balanced) Output impedance (Balanced) Channel isolation The system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. — 12 —

Swift Audio Processor Model No.:SWIFT 88N,1616N,D88N · DSP audio processing, built-in automatic mixing, matrix mixing,noise cancellation, echo cancellation, feedback cancellation, automatic gain; · Input per channel Front stage amplifier, signal generator, expander, compressor, 5 stage parameter equalization; · Output per channel 31 Section diagram equalizer, delay device, frequency divider, limiter; · Full function matrix remix; · Support for scenario presets · Automatic memory protection when power off; · 1U chassis; Number of analog channels 8 I / O, 16 I / O Maximum input level 18dBu Maximum output level 18dBu Number of Dante channels 2 I / O, 4 I / O Frequency response 20 ~ 20KHz ±0.5dB 0.001%@4dBu Core algorithm Automix,AGC,ANC,AEC,AFC THD+N -90dBu Floor noise 48V Analog maximum gain 51dB phantom power Quantization Bits 24bit Sampling 48KHz — 13 —

Swift Audio Processor Swift control system, can provide users with more intuitive operation experience and more intelligent audio processing experi- ence, client support Windows, Android system, fully compatible with IE, CHROME, FIREFOX. It is suitable for meeting rooms, exhibition halls, small activities, classrooms and other occasions. Conference rooms Banquet halls Small activities Class Room — 14 —

Digital Audio Box Model No.:ABOX 66 series DSP 51dB TI dual-core 51dB AFC AEC ANC USB auto update Plug and play 48V Phantom High speed Ultra wide Easy Configuration power switch floating point DSP gain amplification The ABOX series has a built-in modular DSP chip that is plug-and-play and requires no software configuration. Although it is small in size, it still has common function modules and professional algorithms. It is easy to install and easy to operate, and it can easily meet the high-quality audio requirements of local recording and remote interactive education. Customers can choose feedback cancellation (AFC), echo cancellation (AEC), noise cancellation (ANC) algorithm. Model No. MIC channel ABOX66 AEC channel Channel -12dBu LINE channel 8dBu Maximum input level 12dBu 12dBu Maximum output level 8dBu Frequency response 80 - 20K Hz,±0.5dB 12dBu 20 -20K Hz,±0.5dB THD+N ≤0.008% ,-12dBu 20 -20K Hz,±0.5dB ≤0.008%,0dBu Floor noise -87dBU ≤0.008%,0dBu -87dBu -87dBu — 15 —

Digital Audio Box Suitable for conference room, court, Police interrogation, classroom interaction and other occasions. Conferenc room Court Police interrogation Classroom — 16 —

Digital Audio Box Model No.:ABOX 1004S,1004A,1004N DSP 51dB TI dual-core 51dB AFC AEC ANC Signal processing Plug and play 48V Phantom High speed Ultra wide Easy Configuration power switch floating point DSP gain amplification ABOX 1004 S/A/N) has a balanced signal interface of 10 in and 4 out . The parameter performance has been adjusted pertinently, and the control network port has been added. The user can customize the processing module of each function by connecting the client software. Customers can choose feedback cancellation (AFC), echo cancellation (AEC), noise cancellation (ANC) algorithm. Channel MIC channel LINE channel Maximum input level 0dBu 18dBu Maximum output level 18dBu 18dBu THD+N ≤0.005%@4dBu ≤0.01%@4dBU Frequency response 20 20K Hz ±1.5dB 20 20K Hz ±1.5dB Sampling 48k@24bit Working power supply DC 12V — 17 —

Digital Audio Box Suitable for conference room, court, command center, classroom interaction and other occasions. Conference room Court Command center Classroom — 18 —

Connectivity Solutions

Multi Channel Dante Interface Model No.:Daco 88,Daco 1616 Dante Uncompressed Real-time backup Global Configuration Support browser AoIPAudio network transmission web control Safety and stability Easy routing Support for ultra high sampling Daco series network audio interface machine realizes the interconversion of network digital audio signal and analog audio signal, and supports the maximum 16 input and 16 output analog channels. It is an excellent choice for digital upgrading and expansion of analog audio system. — 21 —

Multi Channel Dante Interface Sampling 48KHz Common Mode Rejection 70dB @80 Hz DC48V Maximum input level 18dBu Phantom power 20 20K Hz ±0.5dB Maximum output level 18dBu 0.004% @4dBu -90dBu Frequency response 20kΩ Floor noise 100Ω Working Power Supply AC110V/220V,50Hz/60Hz THD+N 107dB @1k Hz Operating Temperature -10-70 Input impedance Size 482x258x45(mm) (Balanced) Output impedance (Balanced) Channel isolation Large conference rooms, multi-function rooms, theaters, extended processor input and remote signal access. Conference room Multi-function hall Theater Stage — 22 —

2 Channel Networked Wall Plate Model No.:Dpanel,Dpanel-L DPanel Series wall interface machine, which has analog input and Dante digital input, analog line output and Dante digital output, analog input support phantom power supply and manual front gain adjustment. — 23 —

2 Channel Networked Wall Plate Conference room, multi-function hall, reserved hidden input and output interface. Sampling 48KHz Channel isolation 100dB @1k Hz DC48V Common Mode Rejection 80dB @80 Hz Phantom power 20Hz ~ 20K Hz,±1dB Maximum input level 0.005% @4dBu Maximum output level 18dBu Frequency response 0-20dBu 18dBu 20kΩ Floor noise -90dBu THD+N 100Ω Working Power Supply PoE Operating Temperature -10-70 Gain regulation Input impedance (Balanced) Output impedance (Balanced) — 24 —

4 Channel Small Form Factor Model No.:DBOX44-I,DBOX44-H,DBOX66-H DSP TI dual-core Uncompressed Real-time backup Global Configuration Dante High speed transmission floating point DSP Safety and stability Easy routing AoIPAudio network Support for ultra high sampling DBOX series network audio interface machine provides the interconversion of network digital audio signal and analog audio signal. 4×4 is an excellent choice for digital upgrading and expansion of analog multimedia system. Sampling 48KHz Maximum input level 10dBu DC48V Maximum output level 14dBu Phantom power 20~20k,±0.5dB -83dBu 0.02% @4dBu Floor noise PoE or DC 12V Frequency response 20kΩ Working Power Supply -10-70 100Ω Operating Temperature THD+N Input impedance (Balanced) Output impedance (Balanced) — 25 —

4 Channel Small Form Factor DBOX system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. Large conference room, multi-function hall, theater, conference center, extended processor input and remote signal access, distributed processing to reduce the burden of audio processing in the computer room. Conference room Multi-function hal Theater Stage — 26 —

2 Channel Dante IO Adapter Model No.:DI22,DO22,DU22 Ostrich DI22 It supports two analog signal inputs and turns to Dante signal output. Ostrich DO22 It supports Dante signal input, turn to 2-channel analog signal output. Ostrich DU22 It supports the two-way channel signal transmission from USB signal input to Dante signal output and Dante signal input to USB signal output. — 27 —

2 Channel Dante IO Adapter line in DU 22 USB line PC line out Network line Audio line line in line out Speaker line line DO 22 out line out line in DI 22 Switch line out line in PC DI 22 Power amplifier Microphone line in Speaker Digital audio processor · Compact design, easy to use, supports hot-plug; · Easily and freely convert between analog audio signal and Dante digital audio signal; · Extends audio, control, Ethernet, and power with a reasonably network cable. · One network cable instead of multiple analog or multi-core cables, it is economical, efficient and versatile. · Extends uncompressed high-quality audio signal with near-zero latency; · Safe and reliable transmission of high-quality two-channel audio.; · Perfectly supports Dante software, which can easily expand and configure network and audio ruting; · DI22/DO22 supports PoE,and conforms to ieee 802.3af line power supply function, DU22 supports USB power supply; · Built-in lightning \& surge protection; Model No. DI 22 2 channel dante Inputs DI22 DO22 Max.18 dBu(DI22) 2 channel analog output Input level Max.18 dBu(DO22) Channel Output level 20 Hz-20 kHz ±0.5dB DO 22 2 channel analog Inputs Supported 2 channel dante output Frequency response > 100 dB network speed 100/1000Mpbs Ethernet Dynamic range > 100 dB 48KHz SNR < 0.01%@ 4 dBu Sampling 24bit THD + N -90dBu 1ms(default) Floor Noise Bit depth Power supply PoE 100BASE-TX(PoE support) 2W Latency 20 KΩ (DI22) Power consumption 100 Ω (DO22) DU22 ≥ USB 2.0 Ethernet connection USB Input impedance RJ45 and USB class A USB specification level (Balanced) 48 KHz Power Supply Output impedance (Balanced) Model No. Connector Sampling — 28 —

Centralized DSP

DCORE Dante Model No.:DCORE 6464,3232 DSP TI dual-core Dante Uncompressed Real-time backup Global Configuration High speed floating AoIPAudio network transmission Safety and stability Easy routing point DSP Support for ultra high sampling DCORE series is developed for Dante DSP processing equipment, only Dante digital signal processing, no analog signal processing. The transmission and processing of audio signal can be provide by connecting it to Dante network. Maximum support of 64×64, modular configuration, more efficient signal processing, Support feedback cancella-tion (AFC), support echo cancellation (AEC), support noise cancellation (ANC).Supports up to 64 input and output channels of matrix mixing and 16 channels of full function signal processing. DANTE Number of audio digital input channels 64 DANTE Number of audio digital output channels 64 AC110V/220V,50Hz/60Hz Working power supply -10-70 Operating temperature 482x258x45(mm) Size (W x D x H) — 31 —

DCORE Dante DCORE control system, can provide users with more intuitive operation experience and more intelligent audio processing experience, client support Windows, iOS, Android system, fully compatible with IE, CHROME, FIREFOX. Conference center, hotel, gymnasium, with Dante microphone, Dante interface machine, Dante amplifier, Dante speaker, constitute a large network audio system. Conference room Stadium Hotel Administration center — 32 —

Control Panel

Control Panel Model No.: Push Button Wall Plate (EP1) ; Touch-screen (P5) P series control panel is a new touch operation developed by S-Track, this wall embedded control panel control the network audio processor via the network. It also has an attractive appearance,fashionable and generous design. · PoE or 12V adapter power supply, hot backup; · Network control processor without distance limitation; · Resistance/capacitance touch screen operation; · Quick scene switching and easy to use; · Desktop/wall installation; Notes: EP1 is mainly suitable for s-track education system, which is used with Lion44N. — 35 —

Control Panel It can be used with TIGER, LION, ABOX, DBOX, DCORE and other products. TIGER Series LION Series ABOX Series DBOX Series DCORE Series It is suitable for meeting rooms, courts, command centers, classroom interaction and other occasions. Conference room Courts Command centers Class room — 36 —

Microphone Series

Table Microphone Model No.:NAJA A201,DA201 Naja A201, DA201 are a desktop array microphone. A201 is the analog interface;DA201 built-in Dante and PoE module that can directly connect to the Dante network, providing a low-latency, high-fidelity and low-cost solution for point-to-point audio connections. Model No. NAJA A201 NAJA DA201 Frequency response 20 ~ 20kHz 20 ~ 20kHz Maximum input level 0dBu@+20dB gain 0dBu@+20dB gain Input resistance 2.2KΩ 2.2KΩ SNR 65dB,1kHz 65dB,1kHz Consumed power 2.3W 2.3W Output interface XLR RJ45 Dante network 100Mbps above CAT5 or CAT6 / PoE Power supply 48V Phantom supply — 39 —

Conference Microphone Model No.:NAJA Y201,DY201 NAJA Y201,DY201 series products are gooseneck microphones. NAJA Y201 series supports analog signal input. NAJA DY201 is a network microphone that can convert analog audio signals into digital audio signals and supports POE power supply and Dante network signal transmission. Model No. NAJA Y201 NAJA DY201 Frequency response 100Hz ~ 16kHz 100Hz ~ 16kHz SNR 65dB, 1 kHz 65dB, 1 kHz Consumed power / 1.5W Output interface RJ45 XLR Dante network / 100Mbps above CAT5 or CAT6 Power / PoE IEEE802.3af standard PoE Power Supply 48V Phantom supply — 40 —

Hanging Microphone Model No.:NAJA A302 NAJA A302 series array microphone is composed of far-field microphone array, which can effectively guarantee remote sound pickup effect . It has high sensitivity and strong direction of picking up sound, which can reduce the feedback problem,mainly used for teaching and recording system,class room Etc... · 5-8 meters long distance pickup; · Beamforming algorithm; · 120 degree accurate pickup; · 23 far field microphone arrays; · Voice enhancement; · Full digital processing: operation without conversion between digital and analog — 41 —

Hanging Microphone Application: Conference room, training room, classroom Etc... Conference room Training room Classroom Output interface Phoenix 3p male Directivity Type T 95dB Dynamic range - 10dB Sensitivity 1W Maximum power consumption 5-8 Meters Pickup distance 70-16KHz Frequency response 80dB SNR (Signal to Noise Ratio) — 42 —

Ceiling Microphone Model No. NAJA A301 ·The array microphone unit is composed of six silicon microphones; ·Built in digital signal processor can perform unique echo cancellation, noise cancellation and beamforming Shape and reverberation elimina- tion algorithm; ·The pickup distance can be up to 1-5m; ·The original non-stationary noise elimination can effectively suppress the environmental noise such as the sound of turning books and footsteps; ·Support ceiling installation and desktop installation; ·With standard network interface, support system upgrade; NAJA A301 array microphones adopt beamforming algorithm to locate sound sources for accurate acquisition ,long distance pickup system,also can avoid invalid noise entering the audio system. Pickup distance 1-5m (indoor environment) No. of array elements 6 PositionaI accuracy ±15° SNR 65dB Auditory localization 360° Built-in audio algorithm AEC ANC AGC Dereverb BF DoA Maximum power consumption 1.5W 123x30mm Size — 43 —