Your search for 4 channel amp returned the following:

4-channel car amplifier — 75 watts RMS x 4

OUT OF STOCK

• variable high- and low-pass filters (50-200 Hz; 2.5K-10k Hz, 12 dB/octave)
• 200 watts RMS x 2 at 4 ohms in bridged mode
• Class-D design

Compact 4-channel car amplifier — 50 watts RMS x 4

OUT OF STOCK

• 75 watts RMS x 4 at 2 ohms (non-bridgable)
• preamp and speaker-level inputs
• dimensions: 8-1/4"W x 1-9/16"H x 2-3/4"D

4-channel car amplifier — 150 watts RMS x 4

LOW STOCK

• 400 watts RMS x 2 bridged at 2 ohms
• variable high- and low-pass filters
• preamp inputs

4-channel car amplifier — 55 watts RMS x 4

IN STOCK

• 170 watts RMS x 2 bridged
• Class-D design
• preamp and speaker-level inputs

4-channel car amplifier — 50 watts RMS x 4

IN STOCK

• 200 watts RMS x 2 at 4 ohms
• C.L.E.A.N. gain system includes setup CD and clip lights
• variable PEQ2 bass/treble boost

4-channel car amplifier — 120 watts RMS x 4

IN STOCK

• 325 watts RMS x 2 bridged at 4 ohms
• preamp and speaker-level inputs
• variable high- and low-pass filters (50-200 Hz at 12 dB/octave)

4-channel car amplifier — 40 watts RMS x 4

IN STOCK

• 150 watts RMS x 2 at 4 ohms
• includes hardware for vertical mounting
• preamp and speaker-level inputs

4-channel car amplifier — 50 watts RMS x 4

IN STOCK

• 150 watts RMS x 2
• variable low- and high-pass filters
• selectable bass boost

DRVN Series 4-channel car amplifier — 60 watts RMS x 4

IN STOCK

• 150 watts RMS x 2 bridged at 4 ohms
• preamp and speaker-level inputs
• switchable high- and low-pass filters

4-channel car amplifier — 25 watts RMS x 4

IN STOCK

• 100 watts RMS x 2 bridged at 4 ohms
• selectable high- and low-pass filters
• Class D amp technology

4-channel car amplifier — 280 watts RMS x 4

• 560 watts RMS x 2 at 2 to 4 ohms
• 24-karat gold-plated RCA input, power, and speaker connections
• hand-selected and matched transistors

4-channel car amplifier with built-in programmable DSP — 100 watts RMS x 4

• 340 watts RMS x 2 bridged at 4 ohms
• DSP settings and adjustments made via laptop or PC through USB port
• 30-band graphic EQ on every channel

4-channel car amplifier — 105 watts RMS x 4

• 380 watts RMS x 2 bridged at 4 ohms
• 24-karat gold-plated RCA input, power, and speaker connections
• hand-selected and matched transistors

4-channel car amplifier — 110 watts RMS x 4 (Black)

• 400 watts RMS x 2 at 4 ohms
• 24-karat gold-plated RCA input, power, and speaker connections
• double-sided circuit boards with silver-soldered components

4-channel car amplifier — 110 watts RMS x 4 (Silver)

• 400 watts RMS x 2 at 4 ohms
• 24-karat gold-plated RCA input, power, and speaker connections
• double-sided circuit boards with silver-soldered components

4-channel car amplifier — 85 watts RMS x 4 (Black)

• 395 watts RMS x 2 bridged at 2 ohms
• Class A and AB amp technology
• black trim

4-channel car amplifier — 120 watts RMS x 4

LOW STOCK

• 380 watts RMS x 2 in bridged mode
• variable low-, high-, and band-pass filters
• preamp inputs

Esprit Series 4-channel car amplifier — 110 watts RMS x 4

LOW STOCK

• preamp and speaker-level inputs
• 320 watts RMS x 2 at 4 ohms
• dual triode vacuum tube driver stage

4-channel car amplifier — 75 watts RMS x 4

IN STOCK

• 150 watts RMS x 2 at 3 to 8 ohms
• preamp and speaker-level inputs
• variable high- and low-pass filters (50-5000 Hz, 12 or 24 dB/octave)

4-channel car amplifier — 75 watts RMS x 4

IN STOCK

• 300 watts RMS x 2 at 4 ohms
• C.L.E.A.N. gain system includes setup CD and clip lights
• variable PEQ2 bass/treble boost