Compact Portable Active Column System

MK2 Series

Plug and Play Easy to carry Quick installation Even sound field Multiple inputs Built-in amplifier

AUDIOCENTER INTERNATIONAL

L65 MK2+L65S MK2

Column System

L83 MK2+L83S MK2

Column System

The system consists of a subwoofer and a column speaker. It

works as a kit and it’s very easy to assemble and disassemble.

The helpful accessories, such as handbag for the column

speaker and wheels for the subwoofer, make the system easy

to transport and handle.

Portable and easy installation

L83 MK2+L83S MK2 L83 MK2+L65S MK2 L65 MK2+L65S MK2

www.audiocenter.net

Customized ProDriver

Customized driver to ensure high-quality

audio output and dynamic sound performance.

Innovative ETETM Waveguide Technology

The innovative ETETM waveguide technology realizes the

perfect joint of frequency response, which provides the

accurate horizontal coverage and ensures the well-balanced,

clear and clean sound for the system.

Innovative PhycalTM (Physical calibration)

Technology

The innovative PhycalTM (Physical calibration) technology

improves the coverage of vertical acoustic beam.

Elegant Outlook

Streamlined cabinet design makes L series column system

blended into various styles of applications easily.

BrainCore™ is an innovative core application technology researched and developed

by Audiocenter, devoted to Audiocenter active DSP-controlled loudspeakers with

supreme performance and high reliability.

With its advanced technology and scientific methodology, BrainCore™ analyses and

processes the input signal, DSP module, Class D amplifier and loudspeaker optimally,

achieving smooth transitions between the LF and HF,excellent frequency response

and audio reproduction even at high levels of SPL.

01 02

It’s a Plug-and-play system. You can choose the preset

with one button, and quickly set up the system. The back

panel of the subwoofer is easy to understand and simple

to operate, which reduce professional technical cost.

Plug-and-Play, quick setup and easy use

Advanced Cooling System

Moulded large heatsink improves the cooling efficiency, and ensure

higher reliability of the system.

Class D Amplifier

Adopting multi-channel digital amplifier with switching power supply

and built-in DSP, the system can work stably and efficiently, ensuring

high quality sound performance.

Unique Physical Acoustics Design

CNC made cabinet of excellent wood, customized drivers together

with unique physical acoustics design provide very clear and clean

sound.

Innovative FTFTM Technology in LF Driver

The innovative FTFTM technology in LF driver makes the cabinet

with the three-order band-pass filter. By coupling the system

continually and overlaying the multiple resonances, the LF

efficiency is improved significantly.

Built-in Bluetooth

Built-in bluetooth supports a variety of Bluetooth devices

access. It's stable and reliable transmission to get true

sound reproduction.

L65S MK2

L65 MK2

��°

（Vertical Coverage Angle -2°）

www.audiocenter.net

House of Live show Stage Monitor

worship

Ball room Museum Lecture DJ Wedding

SUGGESTED APPLICATION

L65 MK2+L65S MK2 system is a compact multi-purpose active DSP

column system consisting of a passive full-range column speaker L65

MK2 and an active DSP controlled compact single 18” subwoofer

L65S MK2.

L65 MK2 passive full-range column speaker is built with 6pcs 5\"

customized drivers and 4pcs 1\" customized drivers. The drivers are

designed with sophisticated measurement and arranged elaborately

by physical calibration technology PhycalTM to improve vertical

acoustic beam coverage. The ETETM waveguide system developed

by Audiocenter forms cylindrical wave, then couples continually,

working together with customized horn design to realize the perfect

joint of frequency response, which provides the accurate horizontal

coverage and ensures the well-balanced, clean and clear sound. L65

MK2 can meet the reinforcement application in different venues and

complex space.

L65S MK2 is an active DSP controlled compact subwoofer with one

18\" customized Audiocenter ferrite driver and very powerful Class D

amplifier module. L65S MK2 is with built-in Bluetooth that supports

multiple signal inputs.

L65 MK2+L65S MK2 is a plug and play column system with easy set

up. The presets are made with a lot of testing. The system can be put

in various applications.

L65 MK2+L65S MK2 Column System

03 04

590

600

2000

815

156 180

1400

Type

Frequency Response(-10dB)

Horizontal Coverage

Vertical Coverage

Maximum Calculated

SPL/1M(Continuous/Peak):

HF

LF

Subwoofer

DSP

Processor

Presets

Class D amplifier

Power(RMS standards)

Peak Power

Frequency Response

Intermodulation Distortion

Total Harmonic Distortion

Cooling System

Protection

Signal Input

Signal Output

Amplifier Output Link L65 MK2

Column Input Link L65S MK2

Power Input

AC Power Opera ting Range

Power consumption

(1/8 output power)

CABINET

Cabinet Material

Cabinet Color

Grille

Handles

L65S MK2 Pole Mount

Speaker Dimension(W×H×D)

L65 MK2

L65S MK2

Carton Dimensions (W×H×D)

L65 MK2

L65S MK2

Net Weight

L65 MK2

L65S MK2

Shipping Weight

L65 MK2

L65S MK2

Active DSP-controlled Column Speaker System

35Hz-20kHz

110°

10°

131dB/137dB

Customized driver, 4pcs 1” drivers

Customized driver, 6pcs 5” drivers

Customized driver, 1pc 18” driver

96kHz signal sampling frequency

L65 MK2, L83 MK2, T8

2000W

4000W

20Hz-20kHz(±0.5dB)

＜0.05%

＜0.05%

Cooling with fans, air convection

DC protection, short circuit protection, overheat

protection, input overload protection, output

overload protection, soft startup protection,

overvoltage protection, undervoltage protection

Combo ( female XLR & Mono jack 6.35),

Stereo Bluetooth

Male XLR

Speakon 4pin

Speakon 4pin

IEC power connector

100V-130V~ or 220V-240V~（±10%,50/60Hz）

281W

CNC made of excellent wood

Black is the default color. Contact Audiocenter

for customization

Iron mesh

L65 MK2 2 side,L65S MK2 4 side

M20 base Φ35mm

156×1400×180mm

590×600×815mm

1502×252×240mm

676×700×900mm

21.0kg

54.0kg

25.0kg

58.0kg

SPECIFICATION

BACK PANEL

Hand bag

For 1 pc L65 MK2

L65S MK2 Protection bag

(with wheel)

ACCESSORIES

L83S MK2

L83 MK2

��°

（Vertical Coverage Angle -2°）

www.audiocenter.net

L83 MK2+L83S MK2 system is a compact multi-purpose active DSP

column system consisting of a passive full-range column speaker L83

MK2 and an active DSP controlled dual 12\" subwoofer L83S MK2.

L83 MK2 passive full-range column speaker is with 8pcs 3” full-range

drivers and 2pcs 1\" customized drivers.The drivers are designed with

sophisticated measurement and arranged elaborately by physical

calibration technology PhycalTM to improve vertical acoustic beam

coverage. The ETETM waveguide system developed by Audiocenter

forms cylindrical wave, then couples continually, working together with

customized horn design to realize the perfect joint of frequency

response, which provides the accurate horizontal coverage and

ensures the well-balanced, clean and clear sound. L83 MK2 can meet

the reinforcement application in different venues and complex space.

L83S MK2 is an active DSP controlled compact subwoofer with 2pcs

12\" customized drivers and Class D amplifier module. The system

works efficiently and has built-in Bluetooth that supports multiple

signal inputs.

L83S MK2 has been carefully tested. With elaborate acoustic design,

innovative FTFTM LF driver design and extensive testing, the cabinet

is with three-order band-pass filter. By coupling the system continually

and overlaying the resonances, the LF efficiency is improved significantly.

L83 MK2+L83S MK2 is a plug and play column system with easy set

up. The presets are made with a lot of testing. The system can be put

in various applications.

L83 MK2+L83S MK2 Column System

House of Gym Restaurant

worship

Ball room Museum Lecture DJ

SUGGESTED APPLICATION

05 06

135 165

1200

1890

690

374 538

Type

Frequency Response(-10dB)

Horizontal Coverage

Vertical Coverage

Maximum Calculated

SPL/1M(Continuous/Peak):

HF

LF

Subwoofer

DSP

Processor

Presets

Class D amplifier

Power(RMS standards)

Peak Power

Frequency Response

Intermodulation Distortion

Total Harmonic Distortion

Cooling System

Protection

Signal Input

Signal Output

Amplifier Output Link L83 MK2

Column Input Link L83S MK2

Power Input

AC Power Opera ting Range

Power consumption

(1/8 output power)

CABINET

Cabinet Material

Cabinet Color

Grille

Handles

L83S MK2 Pole Mount

Speaker Dimension(W×H×D)

L83 MK2

L83S MK2

Carton Dimensions (W×H×D)

L83 MK2

L83S MK2

Net Weight

L83 MK2

L83S MK2

Shipping Weight

L83 MK2

L83S MK2

Active DSP-controlled Column Speaker System

40Hz-20kHz

110°

10°

129dB/135dB

Customized driver, 2pcs 1” drivers

Customized driver, 8pcs 3” drivers

Customized driver, 2pcs 12” driver

96kHz signal sampling frequency

L83 MK2, L65 MK2, T4L

2000W

4000W

20Hz-20kHz(±0.5dB)

＜0.05%

＜0.05%

Cooling with fans, air convection

DC protection, short circuit protection, overheat

protection, input overload protection, output

overload protection, soft startup protection,

overvoltage protection, undervoltage protection

Combo ( female XLR & Mono jack 6.35),

Stereo Bluetooth

Male XLR

Speakon 4pin

Speakon 4pin

IEC power connector

100V-130V~ or 220V-240V~（±10%,50/60Hz）

167W

CNC made of excellent wood

Black is the default color. Contact Audiocenter

for customization

Iron mesh

L83S MK2 2 side

M20 base Φ35mm

135×1200×165mm

374×690×538mm

1302×229×220mm

467×625×780mm

10.5kg

34.0kg

14.0kg

38.0kg

SPECIFICATION

BACK PANEL

ACCESSORIES

Hand bag

For 2 pcs L83 MK2

L83S MK2 Protection bag

(with wheel)

L65 MK2+L65S MK2 Column System L83 MK2+L83S MK2 Column System

IEC power connector

/

Combo (female XLR & Mono jack 6.35), Stereo Bluetooth

Male XLR

Customized driver, 1pcs 18” drivers Customized driver, 2pcs 12” drivers

Customized full-range driver, 8pcs 3” drivers

20Hz-20kHz(±0.5dB)

Customized driver, 4pcs 1” drivers Customized driver, 2pcs 1” drivers

Customized driver, 6pcs 5” drivers

129dB

132dB

135dB

40Hz-20kHz

110°

10°

Horizontal Coverage

Vertical Coverage

<0.05%

<0.05%

131dB

134dB

137dB

35Hz-20kHz

110°

10°

4000W

DSP

L MK2 Series Active DSP-controlled Column Speaker System Specifications

Signal Input Connector

Signal Output Connector

Continuous

Program

Peak

HF

LF

Subwoofer

Power Input Connector

Power Output Connector

AC Power Operating Range 100V-130V~ or 220V-240V~（±10%, 50/60Hz）

281W 167W Power consumption

(1/8 output power)

Presets

Drivers

Maximum

Calculated

SPL/1M

Processor 96kHz signal sampling frequency

Frequency Response(-10dB)

SPECIFICATIONS

AMPLIFIER

Intermodulation Distortion

Amplifier Class D

Peak Power

Power(RMS standards） 2000W

Frequency Response

(1W 8Ω 1ch)

Total Harmonic Distortion

(20Hz-20kHz，half power)

Cooling

Protection

Cooling with fans, air convection

DC protection / Short circuit protection / Overheat protection / Output overload protection / Soft startup protection /

Overvoltage protection / Undervoltage protection

Speaker

Dimensions

(W×H×D)

Shipping Weight

Net Weight

Pole Mount

Cabinet

Column speaker

Subwoofer

Carton

Dimensions

(W×H×D)

Column speaker

Subwoofer

Technical Support and

After-sales Service

Optional Accessories

CNC made of excellent wood

Cabinet Color Black is the default color. Contact Audiocenter for customization

Grille Iron mesh

Handles L65S MK2,4 side; L65 MK2,1 back L83S MK2,2 side

Hand bag,Protection bag,Flightcase

Column speaker with Φ35 mm,subwoofer with M20 pole mount Φ35 mm

CABINET

Global application support team

All content subject to change without notice. All rights reserved. AC - L MK2 - 202312

www.audiocenter.net sales@ac-pro.net www.facebook.com/Audiocenter.Globe

L65 MK2, L83 MK2, T8 L83 MK2, L65 MK2, T4L

L65 MK2 25.0kg / L65S MK2 58.0kg L83 MK2 14.0kg / L83S MK2 38.0kg

L65 MK2 21.0kg / L65S MK2 54.0kg L83 MK2 10.5kg / L83S MK2 34.0kg

156×1400×180mm

590×600×815mm

135×1200×165mm

374x690x538mm

1502×252×240mm

676×700×900mm

1302×229×220mm

467×625×780mm