{"product_id":"lea-professional-cs704-adsp-4-channel-smart-amplifier-700w-per-channel","title":"LEA Professional CS704-ADSP, 4-Channel Smart Amplifier 700W per Channel","description":"\u003cp\u003eThe LEA Professional CS704-ADSP Connect Series Smart Amplifier is a four-channel Class-D amplifier designed for professional installed audio systems that require flexible power, advanced processing, and network-based control. It delivers up to 700 watts per channel at 4Ω, 8Ω, 25V, and 70V\/100V, with a rated output of 350 watts per channel at 2Ω. Its support for low-impedance and high-impedance loudspeaker systems makes it suitable for a wide range of commercial audio applications.\u003c\/p\u003e\n\u003cdiv class=\"iframe-container\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/cMM1yZdkQIo\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003eThe CS704-ADSP features a 96kHz Analog Devices SHARC DSP processor with a 32-bit core and sample rate converters. Its processing capabilities include 2048-tap linear-phase FIR filters per channel, IIR crossover filters up to 48dB per octave, eight-band parametric EQ per channel, and up to four seconds of output delay per channel. Configurable peak-voltage and RMS-voltage limiters, input routing, and real-time load monitoring provide additional control for system tuning and protection.\u003c\/p\u003e\n\u003cp\u003eWith LEA Cloud connectivity, the amplifier enables remote control, monitoring, and notifications from compatible devices without requiring a VPN. Its browser-based WebUI, third-party API support, and SharkWare compatibility offer multiple ways to configure and manage installations. Four balanced analog inputs, external I\/O for remote on\/off and amplifier health monitoring, and a universal switch-mode power supply make the CS704-ADSP a flexible solution for demanding professional AV systems.\u003c\/p\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eFour-channel Class-D amplifier delivering up to 700W per channel at specified loads.\u003c\/li\u003e\n\u003cli\u003e96kHz DSP with 2048-tap linear-phase FIR filters per channel.\u003c\/li\u003e\n\u003cli\u003eEight-band parametric EQ and up to four seconds of output delay per channel.\u003c\/li\u003e\n\u003cli\u003eLow-impedance and selectable 70V\/100V operation per channel.\u003c\/li\u003e\n\u003cli\u003eCloud-based remote control, monitoring, and notifications.\u003c\/li\u003e\n\u003cli\u003eBrowser-based WebUI, third-party API, and SharkWare compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eIdeal For\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial audio installations.\u003c\/li\u003e\n\u003cli\u003eCorporate offices and conference rooms.\u003c\/li\u003e\n\u003cli\u003eEducational facilities and lecture halls.\u003c\/li\u003e\n\u003cli\u003eHouses of worship and hospitality venues.\u003c\/li\u003e\n\u003cli\u003eDistributed 70V\/100V loudspeaker systems.\u003c\/li\u003e\n\u003cli\u003eProfessional AV systems requiring network control and advanced DSP.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eWhat’s in the Box\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eLEA Professional CS704-ADSP Smart Amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eInputs \u0026amp; Outputs\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e4 balanced analog inputs with selectable 26dB or 34dB input sensitivity.\u003c\/li\u003e\n\u003cli\u003e4 amplifier output channels supporting low-impedance and 70V\/100V operation.\u003c\/li\u003e\n\u003cli\u003eExternal I\/O input for remote on\/off control.\u003c\/li\u003e\n\u003cli\u003eExternal I\/O output for amplifier health indication.\u003c\/li\u003e\n\u003cli\u003eNetwork connectivity through built-in Wi-Fi access point, existing Wi-Fi, or LAN Ethernet.\u003c\/li\u003e\n\u003cli\u003eBrowser-based WebUI and Cloud control access.\u003c\/li\u003e\n\u003cli\u003eThird-party API and SharkWare control compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eFrequently Asked Questions\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eHow many channels does the LEA Professional CS704-ADSP have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CS704-ADSP is a four-channel professional amplifier with output ratings specified separately for each channel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much power does the CS704-ADSP deliver?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe amplifier is rated at 700 watts per channel at 4Ω, 8Ω, 25V, and 70V\/100V, and 350 watts per channel at 2Ω, according to the manufacturer's specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the amplifier support 70V and 100V systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Each channel supports selectable 70V or 100V operation, alongside low-impedance loudspeaker configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat DSP processing is available?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe amplifier includes 96kHz DSP, FIR and IIR crossover filters, eight-band parametric EQ per channel, up to four seconds of output delay per channel, user-adjustable limiters, and real-time load monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the CS704-ADSP be monitored remotely?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. LEA Cloud provides remote control, monitoring, and notifications without requiring a VPN. The amplifier also supports browser-based WebUI control, third-party API integration, and SharkWare.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat protection features are included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProtection features include DC, VHF, and AC mains protection, over-temperature protection, current limiting, and fan-fault detection.\u003c\/p\u003e\n\u003ch1\u003eFull Technical Specifications\u003c\/h1\u003e\n\u003ch2\u003eAmplifier and Audio Specifications\u003c\/h2\u003e\n\u003ctable width=\"660\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eAmplifier Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eProfessional Class-D Smart Amplifier\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eNumber of Channels\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eOutput Power at 2Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e350W per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eOutput Power at 4Ω and 8Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e700W per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eOutput Power at 25V and 70V\/100V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e700W per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eAmplifier Technology\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eProprietary Smart Power Bridge\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eBridged Output\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eSupports bridged output functionality without sacrificing another amplifier channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eAnalog Inputs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e4 balanced inputs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eInput Sensitivity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eSelectable 26dB or 34dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eTHD+N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e0.1% from 20Hz to 20kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e±0.5dB at 4Ω, 8Ω, 70V, and 100V; -2.5dB at 20kHz at 2Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eSignal-to-Noise Ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e105dB, 20Hz–20kHz, referenced to 8Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eCrosstalk\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e70dB from 20Hz to 20kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eInput Routing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eRoutable matrix with primary and secondary input priority\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDSP and Processing\u003c\/h2\u003e\n\u003ctable width=\"660\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eDSP Architecture\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eAnalog Devices SHARC processor with 32-bit core and sample rate converters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eDSP Sample Rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e96kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eFIR Filters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e2048 taps per channel at 96kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eFIR Crossover Options\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e24dB\/octave and 48dB\/octave Linkwitz-Riley, linear-phase Brickwall, and custom FIR coefficient loading\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eIIR Crossover Filters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eUp to 48dB\/octave\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eIIR Filter Types\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eLinkwitz-Riley, Butterworth, and Bessel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eParametric EQ\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e8-band per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eOutput Delay\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eUp to 4 seconds per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eSpeaker Limiting\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eUser-adjustable peak-voltage and RMS-voltage limiters\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eLoad Monitoring\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eReal-time load monitoring and pilot-tone detection from internal or external sources\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eProtection, Cooling, and Power\u003c\/h2\u003e\n\u003ctable width=\"660\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eProtection\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eDC, VHF, AC mains, over-temperature, current limiting, and fan-fault detection\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eCooling System\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eFront-to-rear variable-speed fan cooling\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eFan Noise\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e50dB at idle, 57dB at 50%, and 63dB at full speed, measured at 1m\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eAC Mains Voltage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e100–240VAC ±15%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eAC Mains Frequency\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e50Hz or 60Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003ePower Supply\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eUniversal switch-mode power supply with power factor correction\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eOutput Stage\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eHigh-efficiency Class D\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eControl and Networking\u003c\/h2\u003e\n\u003ctable width=\"660\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eControl Interfaces\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eBrowser-based WebUI, LEA Cloud, third-party API, and SharkWare\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eNetwork Connections\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eBuilt-in Wi-Fi access point, existing Wi-Fi network, or LAN\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eCloud Features\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eRemote control, monitoring, and notifications without a VPN\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eExternal I\/O\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eInput toggles remote on\/off; output indicates amplifier health\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eSpeaker Configuration\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003eLow-impedance and selectable 70V\/100V operation per channel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePhysical Specifications\u003c\/h2\u003e\n\u003ctable width=\"660\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eProduct Weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e10 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eProduct Dimensions (L × W × H)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e14.25 × 19 × 1.75 inches\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eShipping Weight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e17.4 lbs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"220\"\u003e\n\u003cp\u003eShipping Dimensions (L × W × H)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"440\"\u003e\n\u003cp\u003e20 × 22.75 × 3.75 inches\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"LEA Professional","offers":[{"title":"Default Title","offer_id":71558958514429,"sku":"H-LEAP-CS704ADSP","price":3824.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/2308\/3005\/files\/2121779.jpg?v=1792001611","url":"https:\/\/hollywooddj.com\/products\/lea-professional-cs704-adsp-4-channel-smart-amplifier-700w-per-channel","provider":"Hollywood DJ","version":"1.0","type":"link"}