Hifonics A1500.1D ALPHA 1500 Watt Monoblock Amplifier
Key features
- Amplifier channels: 1
- Amplifier class: Class D
- Frequency response: 10Hz-250Hz
- Low-pass crossover (12 dB/octave): 30Hz-250Hz
- Subsonic filter: 10Hz-50Hz
- Speaker-level inputs: Yes
Hifonics A1500.1D ALPHA 1500 Watt Monoblock Amplifier is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Fine-tune your subwoofer system from the driver’s seat with the Hifonics A1500.1D ALPHA 1500 Watt Monoblock Amplifier. This one-channel Super D-Class car audio amplifier delivers up to 1,500 watts at 1 ohm and includes a wired bass remote for cabin-level adjustments.
Its crossover, subsonic filter, and variable phase adjustment give you controls for shaping and aligning your system’s bass response.
Key Features & Benefits
- Super D-Class power: Ultra-Fi MOSFET output devices support power ratings of up to 1,500 watts at a 1-ohm load.
- Adjustable crossover: Accu-Cross low-pass and subsonic filters let you tune the signal for your setup.
- Variable phase: The 0–180° adjustment helps you align the amplifier’s output with your system.
- Factory-source integration: High-level inputs with DC Offset auto turn-on support connection to compatible factory or aftermarket head units.
- Cabin bass control: The included HFR-31 wired remote lets you adjust output level from inside the vehicle.
Technical Specifications
| Brand | Hifonics |
|---|---|
| Series | ALPHA |
| Product Type | Mono Subwoofer Amplifier |
| Color | Black |
| Amplifier Class | Super D-Class® |
| Total Channels | 1 |
| Max Power | 1500 W |
| Power Output @ 1 Ohm | 1 x 1500 W |
| Power Output @ 2 Ohms | 1 x 750 W |
| Power Output @ 4 Ohms | 1 x 400 W |
| Low Pass Crossover | 30 Hz - 250 Hz (12 dB/Octave) |
| Subsonic Filter | 10 Hz - 50 Hz |
| Bass Boost | 0-12 dB @ 45 Hz |
| Phase Shift | 0 - 180° Variable |
| Variable Voltage | 0.2 V - 6 V |
| Signal to Noise Ratio | > 90 dB |
| Frequency Response | 10 Hz - 250 Hz |
| Total Harmonic Distortion (THD) | < 1% |
| Power Terminal Wire Gauge | 4 AWG |
| Speaker Terminal Wire Gauge | 14 AWG |
| Dimensions | 43.2 × 17.8 × 8.6 cm |
| Weight | 3.6 kg |
| Compatibility | Universally compatible with 12V vehicle electrical systems and standard aftermarket or factory head units equipped with RCA line-level or high-level speaker outputs. |
| What's included | Hifonics A1500.1D ALPHA Mono Amplifier; HFR-31 Wired Bass Remote Control; Bass Remote Connection Cable |
| Downloads | Hifonics ALPHA Amplifiers (A) Quick Start Guide (Rev3); Hifonics Autosense Technical Guide (Rev3) |
Why Choose This Product?
The A1500.1D combines adjustable signal controls with high-level inputs and DC Offset auto turn-on. That makes it a practical option when you want subwoofer amplification with tuning controls and a path for integrating a compatible factory head unit.
A heavy-duty aluminum alloy heat sink supports thermal dissipation. Nickel-plated hex screw terminals and high-grade Surface Mount Technology are designed for vibration resistance and dependable connections in mobile audio setups. Low-noise preamplifier circuitry is another part of its design.
Installation & Compatibility Notes
This amplifier is specified for 12V vehicle electrical systems and head units with RCA line-level or high-level speaker outputs. Its power terminals use 4 AWG wire, and its speaker terminals use 14 AWG wire.
Check the available mounting space against the amplifier’s 43.2 × 17.8 × 8.6 cm dimensions. Confirm that your subwoofer load matches the amplifier’s listed power ratings. The high-level input’s DC Offset auto turn-on can detect incoming high-level voltage, so a separate remote turn-on wire is not required for that function.
Frequently Asked Questions
What power does the Hifonics A1500.1D deliver at different impedances?
It is rated at 1 x 1500 W at 1 ohm, 1 x 750 W at 2 ohms, and 1 x 400 W at 4 ohms.
Can it turn on without a separate remote turn-on wire?
Yes. DC Offset auto turn-on detects incoming high-level voltage from the head unit.
Can I connect a factory head unit?
It supports compatible factory and aftermarket head units with RCA line-level or high-level speaker outputs.
What comes with the amplifier?
The package includes the Hifonics A1500.1D ALPHA Mono Amplifier, HFR-31 Wired Bass Remote Control, and Bass Remote Connection Cable.
Explore More
Shop Hifonics products at 12 Volt Outlet, and explore the Hifonics brand profile to learn more about the brand.
| Brand | Hifonics |
| Series | ALPHA |
| Product Type | Mono Subwoofer Amplifier |
| Color | Black |
| Amplifier Class | Super D-Class® |
| Total Channels | 1 |
| Max Power | 1500 W |
| Power Output @ 1 Ohm | 1 x 1500 W |
| Power Output @ 2 Ohms | 1 x 750 W |
| Power Output @ 4 Ohms | 1 x 400 W |
| Low Pass Crossover | 30 Hz - 250 Hz (12 dB/Octave) |
| Subsonic Filter | 10 Hz - 50 Hz |
| Bass Boost | 0-12 dB @ 45 Hz |
| Phase Shift | 0 - 180° |
| Variable Voltage | 0.2 V - 6 V |
| Signal to Noise Ratio | > 90 dB |
| Frequency Response | 10 Hz - 250 Hz |
| Total Harmonic Distortion (THD) | < 1% |
| Power Terminal Wire Gauge | 4 AWG |
| Speaker Terminal Wire Gauge | 14 AWG |
| Dimensions | 43.2 × 17.8 × 8.6 cm |
| Weight | 3.6 kg |
Frequently asked questions
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