Description
The LEA Professional CS122D Connect Series Half-Rack Smart Amplifier delivers powerful, flexible audio performance in a compact design. Featuring two amplifier channels with selectable low-impedance (Lo-Z), 70V, or 100V operation per channel, it provides versatile amplification for professional installed sound systems.
With built-in 96kHz DSP, Dante and AES67 connectivity, fully routable analog inputs, and advanced speaker protection, the CS122D simplifies system integration while maintaining high-quality audio performance.
Control and monitor the amplifier through its browser-based WebUI, LEA Cloud, SharkWare, or third-party APIs. Built-in Wi-Fi access point, existing Wi-Fi network connectivity, and Ethernet provide flexible network access options.
Key Features
- Two-channel smart amplifier delivering up to 120W per channel at 4Ω, 8Ω, 25V, 70V, and 100V.
- Selectable Lo-Z, 70V, or 100V operation for each channel.
- Built-in 96kHz DSP with a 32-bit core and sample rate converters.
- Dante 2 × 2 audio networking at 48kHz with multicast and unicast support.
- AES67 connectivity configurable through Dante Controller software.
- Fully routable input matrix for flexible audio routing and mixing.
- Eight-band parametric EQ per channel and crossover filters up to 48dB per octave.
- Browser-based WebUI, LEA Cloud, SharkWare, and third-party API control.
- Built-in Wi-Fi access point, Wi-Fi network connectivity, and Ethernet connection options.
- Smart Power Bridge Technology enables bridged output functionality without sacrificing an amplifier channel.
- Advanced protection, real-time load monitoring, and pilot tone detection.
- Universal 100–240V AC power supply with front-to-rear variable-speed fan cooling.
Ideal For
- Corporate and commercial audio installations.
- Educational facilities and conference rooms.
- Hospitality venues, restaurants, and retail spaces.
- Houses of worship and performance spaces.
- Distributed audio systems using low-impedance or constant-voltage loudspeakers.
- Networked audio installations requiring Dante or AES67 connectivity.
What's in the Box
- LEA Professional CS122D Connect Series Half-Rack Smart Amplifier.
- AC power cord.
- Dust cover.
- Cable hook.
- Read This First documentation.
- Nuendo Live and VST Rack Elements download information.
Inputs & Outputs
- 2 balanced analog inputs with selectable 26dB, 34dB, and microphone-level sensitivity.
- 2 unbalanced RCA inputs with selectable 26dB and 34dB sensitivity.
- 2 × 2 Dante network audio interface at 48kHz.
- AES67 support configurable through Dante Controller.
- Amplifier channel outputs with selectable Lo-Z, 70V, or 100V operation.
- 10/100Mb Ethernet port.
- GPIO port and external I/O for remote on/off control and amplifier health indication.
- IEC AC power inlet.
Frequently Asked Questions
How many channels does the CS122D have?
It features two amplifier channels.
What is the amplifier's power output?
It delivers 120W per channel at 4Ω, 8Ω, 25V, 70V, and 100V, and 60W per channel at 2Ω.
Does the CS122D support Dante?
Yes. It includes a 2 × 2 Dante interface operating at 48kHz, with multicast and unicast support.
Does it support AES67?
Yes. AES67 can be configured through Dante Controller software.
How can the amplifier be controlled?
It supports browser-based WebUI, LEA Cloud, SharkWare, and third-party API control.
What DSP features are included?
Features include an input matrix and mixer, eight-band parametric EQ per channel, crossover filters, output delay, output protection, adjustable voltage limiting, and load monitoring.
What are the power requirements?
The amplifier operates on 100–240V AC, ±15%, at 50Hz or 60Hz.
Full Technical Specifications
Audio
|
Model |
CS122D |
|
Amplifier Channels |
2 |
|
Output at 2Ω |
60W per channel |
|
Output at 4Ω, 8Ω, 25V, 70V/100V |
120W per channel |
|
Amplifier Class |
Class D with proprietary Smart Power Bridge Technology |
|
Analog Inputs |
2 balanced inputs with selectable 26dB, 34dB, and mic-level sensitivity; 2 unbalanced RCA inputs with selectable 26dB and 34dB sensitivity |
|
Analog Input Note |
Unbalanced RCA inputs share the same analog input channel |
|
Dante |
2 × 2 at 48kHz, multicast or unicast |
|
AES67 |
Configurable via Dante Controller |
|
THD+N |
0.1% from 20Hz to 20kHz |
|
Frequency Response |
20Hz–20kHz, ±0.5dB at 4Ω, 8Ω, 70V, and 100V; −2.5dB at 20kHz at 2Ω |
|
Signal-to-Noise Ratio |
102dB, 20Hz–20kHz, referenced to 8Ω |
|
Crosstalk |
70dB, 20Hz–20kHz |
DSP
|
DSP Architecture |
Analog Devices Sigma 96kHz DSP processor, 32-bit core, and sample rate converters |
|
Input Matrix & Mixer |
Routable matrix; any input can be mixed to any output |
|
Crossovers |
IIR filters up to 48dB/octave; Linkwitz-Riley and Butterworth |
|
Parametric EQ |
8-band parametric EQ per channel |
|
Output Delay |
100ms per channel |
|
Output Protection |
DC, VHF, and AC mains protection; overtemperature and current limiting; fan fault detection |
|
Adjustable Limiting |
Peak voltage and RMS voltage |
|
Load Monitoring |
Real-time load monitoring and pilot tone detection from internal or external sources |
Control, Monitoring & Networking
|
User Interface |
Browser-based WebUI, third-party API control, LEA Cloud, and SharkWare |
|
Network Connections |
Built-in Wi-Fi access point, existing Wi-Fi network, or Ethernet |
|
Ethernet |
10/100Mb |
|
External I/O Input |
Toggles remote on/off |
|
External I/O Output |
Indicates amplifier health |
|
GPIO |
2 general-purpose input/output pins; trigger and status functions listed as coming soon |
|
AC Mains |
100–240V AC, ±15%, 50Hz or 60Hz |
|
Power Supply |
Universal switch-mode power supply |
Physical Specifications
|
Product Dimensions (L × W × H) |
11.82 × 8.58 × 1.71 in |
|
Shipping Dimensions (L × W × H) |
18 × 11 × 2.75 in |
|
Product Weight |
7 lbs |
|
Cooling |
Front-to-rear variable-speed fan cooling |
|
Fan Noise at Idle |
50dB at 1m |
|
Fan Noise at 50% Speed |
57dB at 1m |
|
Fan Noise at Full Speed |
63dB at 1m |



