LEA Professional CS88D – 8-Channel Dante Networked Amplifier
LEA Professional CS88D – 8-Channel Dante Networked Amplifier is backordered and will ship as soon as it is back in stock.
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LEA Professional CS88D – 8-Channel Dante Networked Amplifier
Product Overview
The LEA Professional CS88D is an 8-channel Dante networked amplifier delivering 80 watts per channel, designed for commercial AV installations that require distributed audio over a standard IP network. As part of the LEA Connect Series, this rack-mount unit supports both Dante digital audio transport and analog balanced inputs, giving integrators flexible signal routing options in a single 1U chassis. The CS88D targets small to medium-scale installations including conference rooms, boardrooms, multi-purpose spaces, and houses of worship where reliable, remotely managed amplification is a system requirement. Its IoT-enabled architecture supports LEA Cloud control and local Web UI access without requiring a VPN or dedicated control software.
Product Description
The CS88D brings eight independently addressable amplifier channels into a 1U rack-mount form factor, making it a practical choice when channel count and rack space efficiency are both priorities. Each channel delivers 80 watts and can be independently configured for either low-impedance (LoZ) or high-impedance (70V/100V HiZ) operation, allowing a single unit to drive both distributed background music circuits and direct-drive loudspeaker loads within the same system. Dante audio transport provides up to 64x64 channel routing over standard Gigabit Ethernet, enabling flexible signal distribution across networked AV infrastructure without dedicated audio cabling runs. Analog balanced inputs are also onboard and fully routable through the internal DSP matrix, providing fallback or supplemental signal paths alongside Dante.
System control is available through three connection methods: a built-in Wi-Fi access point for direct device connection, integration into the venue's existing Wi-Fi network, or wired Ethernet via Cat5/Cat6. The browser-based Web UI works on any device without software installation, and LEA Cloud extends control and monitoring to any internet-connected device globally. The onboard Analog Devices Sigma 96kHz DSP handles input routing, crossover filtering, parametric EQ, speaker limiting, and real-time load monitoring per channel. An external I/O port supports remote on/off triggering and amplifier health monitoring for integration with third-party control systems.
| Specification | Value |
|---|---|
| Channels | 8 |
| Power Output | 80W per channel |
| Total System Power | 640W |
| Output Impedance | LoZ (2Ω, 4Ω, 8Ω) or HiZ (70V / 100V), selectable per channel |
| Audio Inputs | Dante (network) + Analog balanced |
| THD+N | 0.1% (20Hz–20kHz) |
| Frequency Response | 20Hz–20kHz, ±0.5dB |
| Signal-to-Noise Ratio | 105dB (ref 8Ω) |
| Crosstalk | 70dB (20Hz–20kHz) |
| DSP | Analog Devices Sigma 96kHz, 32-bit core |
| Amplifier Class | Class-D with Smart Power Bridge |
| AC Mains | 100–240VAC ±15%, 50/60Hz (universal) |
| Form Factor | 1U rack-mount |
| Cooling | Front-to-rear variable speed fan |
| Connectivity | Wi-Fi AP, Wi-Fi client, Fast Ethernet (Cat5/Cat6) |
| Control | Web UI (browser-based), LEA Cloud, 3rd-party API (TCP/WebSocket) |
Key Features
- Dante Audio Transport — Native Dante networking delivers up to 64x64 channels over standard Gigabit Ethernet, eliminating dedicated analog audio runs.
- 8 Independent Channels at 80W Each — High channel density in a 1U chassis supports multi-zone distributed audio from a single rack unit.
- HiZ / LoZ Per-Channel Selection — Each channel switches independently between 70V, 100V (constant voltage), and low-impedance operation, supporting mixed load types within one unit.
- Smart Power Bridge — Proprietary bridging mode doubles available power on any single channel without removing another channel from service.
- 96kHz Analog Devices DSP — Onboard DSP handles input routing matrix, 48dB/octave crossover filters, 8-band parametric EQ per channel, user-adjustable speaker limiters, and real-time load monitoring.
- Three Network Connection Modes — Built-in Wi-Fi access point, Wi-Fi client mode, or wired Fast Ethernet via Cat5/Cat6 provide flexible deployment options.
- LEA Cloud Remote Control — Cloud-based management allows remote monitoring, control, and fault notification from any internet-connected device, no VPN required.
- Browser-Based Web UI — Full system configuration accessible from any device and browser, with no software download or dedicated control terminal required.
- Universal Switch-Mode Power Supply — Power Factor Corrected supply operates on 100–240VAC, making the unit suitable for international deployment.
- External I/O Port — Supports remote on/off switching and amplifier fault status output for integration with building management and third-party control platforms.
- Third-Party API Control — Open API via TCP and WebSocket protocols supports control from Crestron, Extron, Q-SYS, and other AV control systems.
Typical Applications
- Conference room distributed audio systems
- Boardroom AV installations with networked audio routing
- Commercial meeting spaces with multi-zone requirements
- House of worship installations requiring distributed fill speakers
- Training rooms and all-hands spaces with paging and background audio
- Multi-purpose rooms with reconfigurable audio zones
- Auditorium distributed speaker systems
Technical Specifications
| Category | Specification | Value |
|---|---|---|
| Audio | Channels | 8 |
| Audio | Power Per Channel | 80W |
| Audio | THD+N | 0.1% (20Hz–20kHz) |
| Audio | Frequency Response | 20Hz–20kHz, ±0.5dB @ 4Ω, 8Ω, 70V, 100V |
| Audio | Signal-to-Noise Ratio | 105dB (20Hz–20kHz, ref 8Ω) |
| Audio | Crosstalk | 70dB (20Hz–20kHz) |
| Audio | Output Class | Class-D with Smart Power Bridge |
| Audio | Output Impedance | LoZ: 2Ω / 4Ω / 8Ω; HiZ: 70V / 100V (per channel) |
| Inputs | Analog | Balanced inputs with 26dB / 34dB selectable sensitivity |
| Inputs | Digital | Dante (networked audio over IP) |
| DSP | Processor | Analog Devices Sigma 96kHz, 32-bit core with sample rate converters |
| DSP | Input Routing | Routable matrix — any input to any output |
| DSP | Crossover | Up to 48dB/octave IIR (Linkwitz-Riley and Butterworth) |
| DSP | Parametric EQ | 8-band per channel |
| DSP | Output Delay | Up to 100ms per channel |
| DSP | Limiting | User-adjustable peak and RMS voltage limiting |
| DSP | Load Monitoring | Real-time load monitoring and pilot tone detection |
| DSP | Protection | DC, VHF, AC mains, over-temperature, current limiter, fan fault |
| Network | Dante | Up to 64x64 channels over Gigabit Ethernet |
| Control | Interface | Browser-based Web UI, LEA Cloud, 3rd-party API (TCP / WebSocket) |
| Control | External I/O | In: remote on/off; Out: amplifier health status |
| Power | AC Mains | 100–240VAC ±15%, 50/60Hz |
| Power | Supply Type | Universal switch-mode with Power Factor Correction |
| Physical | Form Factor | 1U rack-mount |
| Physical | Cooling | Front-to-rear variable speed fan |
Frequently Asked Questions
Q: Does the CS88D support both Dante and analog inputs simultaneously?
Yes. The CS88D includes both Dante network inputs and analog balanced inputs. The onboard DSP input routing matrix allows any input — Dante or analog — to be assigned to any output channel. Analog inputs serve as a supplemental or fallback source alongside Dante in the same installation.
Q: Can individual channels be set to 70V and 8-ohm operation at the same time?
Yes. HiZ (70V or 100V) and LoZ (2Ω, 4Ω, 8Ω) output mode is selectable on a per-channel basis. A single CS88D can simultaneously drive constant-voltage distributed speaker circuits on some channels and direct low-impedance loads on others.
Q: What control systems does the CS88D integrate with?
The CS88D supports control via its browser-based Web UI, LEA Cloud (internet-based remote management), and an open API using TCP and WebSocket protocols. This enables integration with Crestron, Extron, Q-SYS, Utelogy, AMX, and other control platforms. LEA also provides pre-built drivers for common control systems.
Q: Does LEA Cloud require a VPN to access the amplifier remotely?
No. LEA Cloud uses Amazon AWS IoT Core infrastructure, which means remote access, monitoring, and control work over standard internet connections without configuring a VPN. The amplifier only needs to be connected to a network with outbound internet access.
Q: What is Smart Power Bridge and when would I use it?
Smart Power Bridge is LEA's proprietary technology that allows any single channel to be bridged for higher output power without taking another amplifier channel out of service. This is useful when one zone in a multi-zone system requires significantly more power than the others — for example, a main program speaker area in a conference center — while the remaining channels continue to operate normally.
Q: What warranty does the CS88D carry?
LEA Professional offers a 5-year warranty internationally. U.S. customers who register their product receive an extended 6-year warranty. Contact your local distributor for country-specific warranty terms.
Q: What network infrastructure does Dante require for the CS88D?
Dante operates over standard Gigabit Ethernet using standard Cat5e or Cat6 cabling. For best results in multi-device Dante networks, use a managed switch that supports QoS (Quality of Service) prioritization. Dante Controller software (available free from Audinate) is used to configure Dante audio routing between devices on the network.
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