Alpine S-A55V S-Series 5-Channel Class D Amplifier 540W RMS The Alpine S-Series Sound ComponentsThree new S-Series amplifiers join the S-Series family, known for reliable performance and value-oriented products. All three S-Series amps (mono, 4-channel, and 5-channel) contain technology currently implemented in R and X-Series models. The S-Series amps feature attractive prices and are designed to perform perfectly with the existing S-Series speakers. S-Series amplifiers are your sound system’s workhorse. With unmatched reliability and budget-friendly prices, these amplifiers are the better choice in performance value. General Features: 5-channel Class D Amplifier Power Output: 40 watts RMS x 4 + 200 watts RMS x 1 at 4 ohms 60 watts RMS x 4 + 300 watts RMS x 1 at 2 ohms 120 watts RMS x 2 bridged at 4 ohms + 300 watts RMS x 1 at 2 ohms CTA-2006 compliant Variable high-pass filter (50-400 Hz, 12 dB/octave) on 4-channel section Variable low-pass filter (50-400 Hz, 24 dB/octave) on a subchannel Variable bass boost (0-12 dB at 50 Hz) on a subchannel Optional RUX-KNOB.2 wired remote level control for a subchannel Preamp and speaker-level inputs speaker wire to RCA adapter required for speaker-level input Wiring and hardware not included with amplifier 4-gauge power and ground leads recommended Fuse rating: 30A x 2 Dimensions: 11-1/4" W x 2-1/4" H x 8" D Authorized Dealer 1-year Manufacturer's Warranty What's in the box: 5-Channel amplifier Two 30-amp ATO fuses (installed) Four 3/4" Screws 2mm Allen wrench Owner's manual (English/ French/ Spanish) Alpine Verification Certificate Warranty information Power supply note Online product registration information Alpine S-A55V owner's manual ⚠️Warning:This product can expose you to, known to the State of California to cause cancer. For more information, go to P65Warnings.ca.