49% under what the other stores charge
Compared across 14 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.
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The Hifonics A800.4D ALPHA is a four-channel car amplifier rated at 800 watts, built on the brand's Full Range Super D-Class circuitry with Ultra-Fi MOSFETs. It runs cool and clean for its class, with low-noise preamp stages, nickel-plated RCA inputs and Accu-Cross electronic crossovers for multi-channel or bridged mono setups. A heavy-duty aluminum heatsink and surface-mount construction suit it to vibration-heavy vehicle installs, and DC offset sensing lets it turn on from a factory head unit. It suits drivers powering four speakers or bridging two channels to a sub, and it competes with other compact Class D four-channels on footprint and features rather than raw power.
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Lowest price we've seen: $112.42 on Nov 13 at eBay. Tracked across 13 stores since Nov 13.
Owner feedback on the ALPHA series is limited but generally positive on value and compact size. Buyers describe clean output for door speakers and easy bridging, while some note the power rating reads higher than the real per-channel output.
The Hifonics A800.4D is a 4-channel car amplifier from the ALPHA series. It uses Full Range Super D-Class circuitry and Ultra-Fi MOSFETs, and delivers 800 watts of maximum power in a compact format. The circuitry is built for low distortion and minimal heat buildup.
The amplifier has low-noise preamplifier circuits and nickel-plated RCA connections for high signal throughput and external noise rejection. Built-in Accu-Cross electronic crossovers let you shape the signal for multi-channel or bridged mono setups.
The chassis uses Surface Mount Technology (SMT) and a heavy-duty aluminum alloy heatsink to withstand vehicle vibration and keep operating temperatures in check. An auto turn-on circuit with DC offset sensing allows it to work with high-power factory and aftermarket source units.
