Crown XLS1000 2-Channel Power Amplifier - 350W @ 4OhmCrowns XLS 1000 amplifier dishes out 215 watts RMS per channel at 8 ohms, 350 watts per channel at 4 ohms, and up to 1100 watts in bridged mode — not bad for less than 9 pounds of gear. Because its a highly efficient Class D amp, it uses internal heat sinks with forced-air cooling to keep the internal temperature under control, with an automated rear fan that kicks in when youre really pushing the amp hard. The amps optimized switched-mode power supply keeps things humming smoothly from start to finish.The amps front panel offers independent level control knobs and LEDs, an on/off switch, LCD screen, and three menu control buttons. The LCD screen lets you configure the amp mode, clip compressor, and crossover configuration with ease.The rear of the XLS 1000 is a veritable treasure trove of connections. Youll find balanced XLR inputs, 1/4 inputs, and RCA inputs, so you can get creative with your audio sources. The 1/4 connectors also serve as loop-thrus for adding more amps to the mix. Youll find binding posts and Neutrik Speakon® outputs for the speakers, plus a built-in circuit breaker to protect against overload. - 400W max rated – Product highlights:General Information:2-channel power amplifier with built-in crossoverpower output:215 watts RMS per channel at 8 ohms350 watts RMS per channel at 4 ohms550 watts RMS per channel at 2 ohms700 watts RMS (mono) at 8 ohms in bridged mode1100 watts RMS (mono) at 4 ohms in bridged modefrequency response: 20-20,000 Hz (-1 dB)signal-to-noise ratio: 97 dBtotal harmonic distortion: 0.5% (20-20,000 Hz)Features:DriveCore circuitry maintains Class D high efficiency with low noiseindependent right- and left-channel level controlsLCD screen with menu/prev/next buttonsrear panel circuit breaker/reset switchdefeatable Peakx Limiters for each channelPureBand Crossover System:Linkwitz-Riley 24dB/octave crossover filtercrossover frequency range: 50-3,000 Hz, with points every 1.5 octave centersfour crossover modes: crossover, low pass, high pass, and bridgeinternal heat sinks with forced-air coolingflow-through ventilation from front to back, plus automatic rear fan for critical temperaturesshort circuit, thermal, and current limiting protectionfront-panel LEDs indicate signal, -10dB and -20dB below clipping, clipping, and temperatureintegrated rack mount earsConnections:inputs: balanced XLR, 1/4, and RCAoutputs: two binding posts and two Neutrik Speakon1/4 outputs can be used to send signal to another ampOther Information:weight: 8.6 lbs.19W x 3-1/2H x 8-1/8D (2 rack spaces)