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The Hifonics A1500.1D is a Class-D monoblock subwoofer amplifier from the Alpha Series, rated at 400 watts into 4 ohms, 750 into 2 ohms and 1500 into 1 ohm. It uses Ultra-Fi MOSFETs in the output stage and has on-board electronic crossovers, and it ships with a dash-mount bass remote for level control from the driver's seat. Its compact chassis and 1-ohm stability suit drivers powering a single beefy sub or a pair wired to a low impedance. Against premium monoblocks it trades refinement and measured output for a simple, low-cost feature set; owners of budget builds tend to accept that trade.
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Lowest price we've seen: $289.99 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
Owner feedback on the Alpha Series is mixed. People like the bass knob, the small footprint and the output for the money, but some report the amp not reaching its rated power and question long-term reliability.
The Hifonics A1500.1D is a Class-D monoblock amplifier from the Alpha Series, built to power subwoofers. It is rated at 1500 watts total output and is stable at 1 ohm. It uses a Pulse Width Modulated MOSFET power supply and Ultra-Fi MOSFETs for efficient cooling and low distortion.
The amplifier has a heavy-duty aluminum alloy heat sink. Three-way protection covers thermal, overload and speaker short faults. A green LED shows power and a red LED shows protect mode.
Electronic Accu-Cross crossovers control the signal sent to the speakers. Preamp RCA outputs let you daisy chain multiple amps. A wired remote for bass level control is included.
