Infinity Reference-7005A Reference Series 5-Channel, 50w X 4, 500w X 1 Amplifier With Bass Knob Infinity's Reference 7005A Five-Channel amplifier will add plenty of muscle to your music without breaking a sweat, and it'll look good doing it. This powerhouse delivers 700-Watts RMS to your Speakers and a subwoofer, and its Class D design ensures the amp's high output will put minimal strain your vehicle's electrical system. Speaker-level inputs allow this amplifier to work in almost any system, even if you're hanging on to your factory radio. You can use the low-pass filter and variable bass boost to maximize the performance of your subwoofer and enclosure, while a phase switch ensures that the bass will blend well with your full-range speakers. RBC wired remote The RBC wired remote is an easy installation and can be mounted for convenient volume adjustment from driver's seat. High and low level input Speaker-level and low-level inputs allow the Reference 7005A to integrate with both aftermarket and factory car stereo systems. Compact size The Infinity Reference 7005A amplifier features a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited. Full on-board protection On-board circuitry protects the Reference 7005A from shorts, high-temperature, overvoltage and undervoltage. An LED indicator is provided to let you know when one of these conditions exists. General Specifications - • 50 watts RMS x 4 at 4 ohms + 500 watts RMS x 1 at 2 ohms • Class D amp technology • frequency response, 10-320 Hz • variable low-pass filter (32-320 Hz, 12 dB/octave) • variable bass boost (0-12dB at 45Hz) • phase switch (0, 180 degrees) • wired remote level control included • preamp inputs and outputs • speaker-level inputs (speaker wire-to-RCA adapters included) • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier • fuse rating: 30A x 3