JL Audio VX400/4i 4-Channel Full-Range Amplifier

JL Audio VX400/4i 4-channel full-range amplifier. Includes original box and all components. Features integrated DSP. 4-channel car amplifier 75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms) 200 watts RMS x 2 bridged at 4 ohms Class D amplifier design with NexD2™ switching amp technology Digital Signal Processing: 24-bit 96 kHz digital processing DSP adjustments and settings made via computer running JL Audio's TüN app via USB input routing and mixing adjustable gain controls with clip indication fully adjustable high-pass, low-pass, and bandpass filters selectable filter slopes (6, 12, 18, 24, 30, 36, 42, 48 dB/octave) 10-band EQ phase and polarity control time alignment in 0.01 ms (1/8") increments Connection Features differential-balanced inputs eliminate noise coming from your vehicle's electrical system preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input) high-level inputs — up to 16 volts RMS (about 60 watts) DC offset or signal sensing auto turn-on eliminates need for remote lead 2-channel digital input and output (S/PDIF: up to 24-bit 192 kHz in, 24-bit 96 kHz out) 2-channel analog preamp output (4V RMS) JLid™ connections for optional Network Hub and Digital Remote Control USB connection for device running TüN app (6-foot cable included) wiring, fuse, and hardware not included with amplifier 4-gauge power and ground leads and a 40-amp fuse recommended 9-1/16"W x 2-1/8"H x 6-11/16"D