10 Best
4 Channel Amps
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Product Highlights- Automatic thermal control, 1,000 w high power output
- Single sided connections
- 1000 w high power output; 70 w x 4 (4 ohms), 85 w x 4 (2 ohms), 175 w x 2 (btl). input sensitivity:0.3v to 6v
- Low pass filter and high pass filter
- Frequency response: 5–50 khz ; signal to noise ratio: 100 db ; load per channel: 4ohm ; impedance: 8ohm, 1ohm ; maximum power output: 500 w, rated power output: 85 w ; signal to noise ratio: 100 db ; operating volatge: 12v dc, output- 1000w
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Product Highlights
- What’s in the box:alpha 2804a 1x amplifier 4x 3/4" self-tapping screws 2x spare fuse 1x quick start guide 2x 2-channel high-level input wire harness
- Features powerful class ab amplifier adjustable high-pass/low-pass crossover filter auto turn on facility efficient cooling design powerful sound and beautiful look reliable performance
- Technical specifications:alpha 2804a 4-channel class ab car amplifier rated power rms output: 70w x 4 @ 4 ohm; 90w x 4 @ 2 ohm; 180w x 2 @ 4 ohm bridged, <1%thd full/high-pass/low-pass filter: 40-400hz,12db/octave sn ratio (1w @ 4 ohms): >75db frequency response (-3db): 10hz – 45khz gross weight: 2.77kg
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Product Highlights
- High power 4 channel class a/b car amplifier, high level input with dc offset turn on capability, 4x85 watts rms at 4 ohms and 4x120 watts rms at 2 ohms, 2x240 watts at 4ohms (bridged), pass through rca terminals, variable low pass filter, variable high pass filter, bass boost, external bass controller
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Product Highlights
- Stereo output 60wx4 (4 ohm), 80w x 4 (2 ohm), thd < 0.05%
- Class ab amp technology, frequency response 10 hz- 30 khz
- 4-channel car amplifier, pwm mosfet power supplies
- 160 watts rms x 2 in bridged mode (4-ohm stable in bridged mode)
- Variable high/ low pass crossover controls, preamp and speaker-level inputs
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Product Highlights
- Bridged output 300 x 1 (1 ohm), variable high/ low pass crossover controls
- Frequency response 20hz- 20 khz, thd < 0.01%
- Stereo output 75w x 2 (4 ohms) 150w x 2 (2 ohms), peak music power output 1500w (pmpo)
- Class a/b mosfet design, bass boost 0db / +6db/ +12db
- Warranty: 12 months manufacturer warranty and no warranty on burnt and physical damage
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