LR-660 Conference System

Audio Systems / Conference Systems

LR-660 Conference System

Code: EC-660M (Main unit) / LR-660D/LR-660C (Microphone unit) / LR-670D/LR-670C (Microphone unit)

Built-in power supply, with an output power of 400W. Main unit control up to 250pcs and power up to 64pcs microphones. Equipped with an audio output interface. Featuring a BAL interface for easy connection to various effects processors. Built-in tone processing unit for adjusting bass and treble. Independent volume control for the system. Includes one AUX input with independent volume control. Has a set of wired microphone input interfaces with independent volume adjustment. Comes with a USB recording and playback module, enabling USB recording and playback functions. Built-in 1W monitoring speaker with independent volume control. High-fidelity sound quality and automatic feedback suppression function. Optional automatic shutdown function for delegate units. The panel has three function setting buttons: “MODE,” “SET,” “ENTER.” Supports various conference modes such as free discussion, first in, first out, and restricted speaking. Can provide power and data communication ports for a video central processor. Can be placed flat on a tabletop or mounted in a 19-inch standard rack cabinet.

Technical specifications

Model
EC-660M (Main unit) / LR-660D/LR-660C (Microphone unit) / LR-670D/LR-670C (Microphone unit)
Audio Output
LINE OUT (unbalance), REC OUT (unbalance) BAL OUT / / / /
Audio Input
MIC IN (unbalance), AUX IN (unbalance) / / / /
Output Impedance
<1KΩ / / / /
Effects Processor Interface
EFX IN/OUT (Connect the frequency shifter) / / / /
Voltage
AC220V / DC24V (Supply by 8PIN cable) / DC24V (Supply by 8PIN cable)
Power consumption
400W / 2W / 2W
T.H.D.
0.1%@1KHz / <0.05% / <0.05%
Product Dimension
480X330X90mm / 205X117X55mm / MIC pipe 420mm / 143X110X50mm / MIC pipe 240mm
SNR
>96db / >75db / >75db
Control port
RJ45 interface / / / /
Sensitivity
-56dB / -44dB ±2dB / -44dB ±2dB
Frequency response
50Hz-16KHz / 40Hz-16KHz / 40Hz-16KHz
Color
Grey / Grey / Grey

Applications

Built-in power supply, with an output power of 400W.
Main unit control up to 250pcs and power up to 64pcs microphones.
Equipped with an audio output interface.
Featuring a BAL interface for easy connection to various effects processors.
Built-in tone processing unit for adjusting bass and treble.
Independent volume control for the system.
Includes one AUX input with independent volume control.
Has a set of wired microphone input interfaces with independent volume adjustment.
Comes with a USB recording and playback module, enabling USB recording and playback functions.
Built-in 1W monitoring speaker with independent volume control.
High-fidelity sound quality and automatic feedback suppression function.
Optional automatic shutdown function for delegate units.
The panel has three function setting buttons: “MODE,” “SET,” “ENTER.”
Supports various conference modes such as free discussion, first in, first out, and restricted speaking.
Can provide power and data communication ports for a video central processor.
Can be placed flat on a tabletop or mounted in a 19-inch standard
rack cabinet.

Our clients

Our partners

WhatsApp