The Pioneer GM-DX874 four-channel amplifier will deliver up to 150 watts RMS to each of your front and rear speakers for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out of the way spaces. The frequency response of this amplifier stretches up to 50,000 Hz, for Hi-Res Audio Certified playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Speaker-level inputs allow you to install this amp in a factory system with no RCA connections. The amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. Built-in high- and low-pass filters let you adjust the sound for your vehicle's interior, whether you're driving speakers or subs.

The Hifonics Zeus ZXX 1000.4 is a 1000 watt 4 channel amplifier that gives your speakers and subwoofers the added oomph that they need.With flexible operation modes, you can customize the setup so it works for you. For example, you can hook up to 4 speakers, 2 speakers and a subwoofer, or it can be bridged to run 2 speakers or subwoofers. This amplifier can grow with your car audio setup. Step up the power and get better sound quality from your speakers and subwoofers with the Hifonics Zeus amplifier.

Complete your car's sound system setup with the Hifonics Brutus Gamma 4-Channel Super A/B Class Amplifier. This subwoofer amp delivers power efficiently and effectively to your subwoofers, speakers, and other output devices for crisp sound with minimal distortion and heat.Control your sound with this car audio amp. This 1,000-watt amplifier sports a 4 channel operation that lets you choose between stereo and mono bridged operation. You also can customize your sound with this car audio amp's variable electronic crossover and electronic equalizer capabilities.Made for efficient power performance, this car audio amplifier is rated @ 2 ohms - 4 channels x 250 watts; @ 4 ohms - 4 channels x 125 watts; mono bridged @4 ohms - 2 channels x 500 watts. This 4-channel amp uses Ultra-Fi MOSET output device technology and classic Hifonics aluminum construction for powerful sound, efficient cooling, and minimal distortion.All connections are secure with this car subwoofer ampflier. This amp features nickel-plated connectors and a molded connection terminal that's angled for easy access to all power, ground, and speaker connections.Pump up the sound with the Hifonics Brutus Gamma 4-Channel Amplifier.