{"product_id":"rd400-4","title":"JL AUDIO 4-Channel Class D Full Range Amplifier, 100 W X 4 @ 2 Ω \/ 75 W X 4 @ 4 Ω – 14.4V -RD400\/4","description":"\u003cp\u003eUtilizing our exclusive NexD™ high-speed switching technologies, the ultra-compact RD400\/4 amplifier is engineered to deliver loads of audio output power, with incredible efficiency and low distortion.\u003c\/p\u003e\n\u003cp\u003eDon’t let its modern styling and small size fool you though, this little powerhouse churns out 100 watts of crystal-clear audio from each of its four channels into 2 ohms (14.4V, 1% THD) and is fully bridgeable, so it can be used as a 3-channel amplifier, or as a 2-channel amplifier producing a whopping 200W x 2 into 4 ohms.\u003c\/p\u003e\n\u003cp\u003eFor your convenience, the RD400\/4’s controls can be found on top of the amplifier, beneath a protective cover, with all connections located along one side of its chassis. Studio-grade signal processing features include high or low-pass 12 dB \/ octave filters (defeatable) for each channel pair, with continuously variable frequency selection from 50-500 Hz, and dual-range, differential-balanced inputs capable of accepting most input voltage levels.\u003c\/p\u003e\n\u003cp\u003eAutomatic turn-on capability (via signal sensing or DC-offset sensing) is standard equipment, along with all-new input type switches for bridging of stereo output channels without needing to use Y-adaptors.\u003c\/p\u003e\n\u003cp\u003eOnboard LED-clipping indicators are also included with your RD400\/4. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity settings, quickly and accurately, with no special equipment needed.\u003c\/p\u003e\n\u003cp\u003eYou’ll also find a set of preamp outputs on-hand, so you can pass signals to another amplifier, almost effortlessly.\u003c\/p\u003e\n\u003cp\u003eThe RD400\/4 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eGENERAL SPECIFICATIONS:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency Response 12 Hz – 22 kHz (+0, -1dB)\u003c\/li\u003e\n\u003cli\u003eS\/N Ratio, referred to highest rated power \u0026gt;104 dB below rated power (A-weighted, 20 Hz – 20 kHz noise bandwidth)\u003c\/li\u003e\n\u003cli\u003eS\/N Ratio, referred to 1 W \u0026gt;84 dB (A-weighted, 20 Hz – 20 kHz noise bandwidth)\u003c\/li\u003e\n\u003cli\u003eDamping Factor @ 4 Ω \u0026gt;150 \/ 50 Hz\u003c\/li\u003e\n\u003cli\u003eDamping Factor @ 2 Ω \u0026gt;75 \/ 50 Hz\u003c\/li\u003e\n\u003cli\u003eTHD+N @ Rated Power \u0026lt;1% @ 2 Ω per Ch.\u003c\/li\u003e\n\u003cli\u003eInput Voltage Range @ RCA Inputs Switchable from 200 mV – 2 V RMS (Low) to 800 mV – 8 V RMS (High)\u003c\/li\u003e\n\u003cli\u003eMin.Copper Power \/ Ground Wire Gauge: 4 AWG wire\u003c\/li\u003e\n\u003cli\u003eFuse Rating: 40 A (AFS, AGU or MaxiFuse™)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jl Audio","offers":[{"title":"Default Title","offer_id":46973800906940,"sku":"RD400\/4","price":639.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/5704\/8252\/files\/RD400-4-FRT_8719da88-9904-46bc-9625-31aba326d8cc.jpg?v=1781688334","url":"https:\/\/audioemporium.com.au\/products\/rd400-4","provider":"Audio Emporium","version":"1.0","type":"link"}