9 Best
4 Channel Car Amps
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Product Highlights- Built-in powerful electric circulating coil ensures sufficient power when operating, and is safer, more efficient and more stable.
- 1500w high power car amplifier, 360° stereo surround sound.
- Metal brushed body, fast heat dissipation, does not affect the sound quality.
- The two-color coil transformer is small in size, high in power, rejects all short circuits, and improves the usage rate of the pcb.
- Black capacitors, mellow tone, increase the musical performance of the equipment, greatly improving the overall sound.
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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
- 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
- Power: this amplifier is designed to run your stereo system with the power it needs to perform! 500 watts maximum dynamic rms power output of 4x 125 watts at 2 ohms per channel. its high efficiency rate of 87% provides more power with less battery consumption.
- Technology: a smart electronic 2-way protection circuit protects the amp if it gets too hot or if speakers fail causing a short! focusing in sound quality, a full range response of 10 to 24,000hz was used to give the best sound reproduction on this tiny amplifier.
- Compact design: digital class d brazilian technology allows this amplifier to have a small footprint by integrating a high-speed mosfet power supply with top of line transistors to ensure performance in a small heat sink without compromising performance. dimensions: 3.93″ depth x 5.02″ width x 2″ height
- Bridgeable: double the power output to your speakers by bridging two channels. minimum impedance of 4 ohms per bridged channel at output power of 2 x 225 watts rms
- Features: heavy duty 10 gauge power and speaker wire inputs. built-in crossover filters for easy tuning! choose between a fixed hpf at 90hz or lpf at 90hz + 45hz bass boost or just turn it flat and use your external crossover or dsp settings. it also includes variable gain control. level controls are not for adjusting volume. they adjust the amount of signal that is com...
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Product Highlights
- Distortion (100hz, 4 ohm, 10w): < 0.05% s/n ratio (iec-a/ihf-a n/w): >95db frequency response: 10-50khz (0,-3db) max. input level (rca): 6.5v (low) max. input level (sp-input): 16v (high) load impedance: 1-8 ohm amplifier class: class d transistor: mosfet input level control (rca-in): (200mv-6.5v) input level control (sp-in): (0.8v-16v) (high)
- Chassis size (w x h x d): 252 mm x 60 mm x 215 mm
- No. of channels: 4/3/2 max. wattage (4 ohms): 200w x 4 max. wattage (2 ohms): 300w x 4 max. wattage (1 ohm): 1200w (total) wattage rms (4 ohm @ 1% thd+n): 100w x 4 (20-20khz) wattage rms (2 ohm @ 1% thd+n): 150w x 4 (1khz) wattage rms (1 ohm @ 1% thd+n): @ 125wx4 (1khz) wattage rms (4 ohm, bridged): 300w x 2 (1khz)
- Frequency: 50hz (ch-b) bass boost: 0-18db bass boost remote: yes (ch-b) low pass filter: 40-500hz, -12db/oct high pass filter: 40-500hz, -12db/oct protection indicator: red (side panel) power indicator: blue (side panel)
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