The Key Smart Amplifier - The biggest advance - in the smallest package. Introducing the KEY smart amplifier and audio processor in one. Press the selector, and the microphone goes to work. The KEY uses a powerful internal computer to deliver dramatic...

Sony XM-S400D Class D 4 Channel Stereo Power Amplifier Power up your in-car sound with the XM-S400D stereo amplifier. Each of the amplifier's 4 channels deliver 100 W of dynamic audio, while low and high pass filters separate the frequency range to...

Hear the Difference with this Simple Power Upgrade!Add higher output and a more dynamic response with this easy-to-install Alpine head unit Power Pack upgrade. The KTP-445A Power Pack amplifies power output on select 2005 and newer Alpine head units,...

Alpine S-A32F S-Series 4-Channel Digital Amplifier - 80 Watts RMS x 4 @ 2-Ohms The S-Series amplifiers were designed to perfectly complement the already established and loved S-Series speaker and subwoofer line that Alpine Electronics has continually...

JL Audio JD400/4 Compact and Versatile: Fits nearly anywhere: 9.50 x 7.50 x 2.10 in. (242 x 190 x 53 mm) Ultra-flexible outputs, capable of multiple configurations:4-Ch. Satellite Amp: power front and rear speakers with 75W x 43-Ch. System Amp: ...

Kicker 47KEY2004 KEY 4-Channel DSP Smart Amplifier, 4x50W The biggest advance - in the smallest package. Introducing the KEY smart amplifier and audio processor in one, featuring AI-driven DSP. Press the selector, and the microphone goes to work. The...

4/3/2-Channel A/B Class Amplifier Aluminum chassis- High heat dissipation RCA inputs- After-Market headunit Crossover settings- Low-pass/High-pass, Bass boost adjustment Bridgeable Stable under 2Ω Specifications: CEA Power (4Ω) 4 x 70W RMS Max power...

Powerful things do come in small packages!Add higher output and more dynamic response with this easy-to-install Universal Power Pack upgrade. The KTP-445U Universal Power Pack amplifies both an aftermarket or factory installed head unit power output,...

Alpine R-A60F R-Series 4-Channel Digital Amplifier - 150 Watts RMS x 4 @ 2-Ohms The new R-Series amplifiers produce accurate imaging and dependable power. Use them with the R-Series speakers and amplifiers for a loud and fun experience. The R-Series...

Focal FDS-4.350 4 Channel amplifier 4 x 58 WUltra Compact 4-Channel Amplifier The FDS 4.350 is the 4-channel model (4 x 58 Watts RMS) and the most versatile of the range. It can operate in 4-, 3- or 2-channel mode. In most cases, it will be used to...

Alpine X-A70F X-Series 4/3/2 Channel Power Density Amplifier CTA-2006-B amplifier Specifications: 175W RMS x4 (2 Ohm, 14.4V, ≤1% THD+N) 120W RMS x4 (4 Ohm, 14.4V, ≤1% THD+N) 90dB S/N (ref. 1W into 4 Ohm) Remote bass knob compatible (requires RUX-KNOB,...

Arc Audio KS 125.4 Mini 4-Channel Amplifier Compact Chassis Design For Small Vehicle Applications. Non-Digital Class G/H Switching Design. Designed By Robert Zeff. Protection Against: Reverse Voltage, Over Voltage, Speaker Short, and Thermal Overload...