SoundQubed 7500 Watts F1-7500 Full Bridge Monoblock Amplifier
Description
Description
SoundQubed F1-7500 — 7,500W Mono Amplifier | F-Series Full Bridge | 1 Ohm Stable
The SoundQubed F1-7500 is a full-bridge, digital-class monoblock amplifier that delivers 7,500W RMS at 1 ohm in a remarkably compact 13.46" x 8.46" x 2.28" chassis. Part of SoundQubed’s 2024 F-Series lineup, the F1-7500 represents the upper end of the F-Series power range — engineered for high-output daily drivers and dedicated SPL builds who need serious wattage without a full-size amplifier footprint. With an enlarged heatsink for superior heat transfer and an optional temperature/voltage readout on the bass knob, the F1-7500 is built to perform hard and stay cool doing it.
The F1-7500 features a full-bridge digital amplifier design with a signal-to-noise ratio of 95 dB, 91% efficiency at 4 ohm, and a damping factor of 92. It accepts low-level input from 400mV to 4V, features a band-pass fixed crossover with LPF range of 100 Hz–20 kHz, and a bass boost of 0–12 dB at 45 Hz for dialing in your low-end punch. Power connections are handled via dual 1/0GA inputs with a recommended 700A fuse. The full protection suite covers thermal, overload, DC output, short circuit, voltage input, and clipping — keeping your system safe under sustained high-power use.
Important: The F1-7500 is power hungry — it is not for stock alternators or systems without additional power supply banks. At minimum you’ll need a high-output alternator, upgraded battery, and proper 0-gauge wiring. Consult a SoundQubed dealer or professional installer before purchasing.
Why Choose the SoundQubed F1-7500?
- 7,500W RMS @ 1 Ohm — Upper-tier F-Series output in a compact 13.46" chassis — serious power without a full-size amp footprint.
- Full Bridge Digital Design — More efficient and more powerful than half-bridge designs at the same physical size.
- Enlarged Heatsink — Superior heat transfer keeps the amp cool during sustained high-power use and extended demo sessions.
- Optional Temp & Voltage Readout — Bass knob with optional temperature and voltage display gives you real-time system monitoring.
- 95 dB Signal-to-Noise Ratio — Clean, accurate signal reproduction even at extreme output levels.
- Bass Boost 0–12 dB @ 45 Hz — Wide boost range for dialing in the exact low-end punch your build demands.
- Dual 1/0GA Power Inputs + 700A Fuse — Handles the current demands of a 7,500W amplifier with proper dual-run wiring.
- Full Protection Suite — Thermal, overload, DC output, short circuit, voltage input, and clipping protection for worry-free operation.
Amplifier & Electrical Recommendations
Subwoofer Pairing: The F1-7500 is designed to drive high-power subwoofers in the 2,000–7,500W RMS range. It pairs exceptionally well with SoundQubed’s HDX and HDS series subwoofers wired to a 1Ω final load. Use the band-pass fixed crossover with LPF set between 50–80 Hz for most ported SPL builds. The 0–12 dB bass boost at 45 Hz gives you plenty of headroom to tune your low-end response.
Electrical Requirements: The F1-7500 is not for stock electrical systems. You’ll need a high-output alternator, upgraded under-hood battery, additional reserve battery bank, and proper 0-gauge power and ground wiring. A dash-mounted voltmeter is strongly recommended. Consult a SoundQubed dealer or professional installer before purchasing to ensure your electrical system is ready.
Full Specifications
| Specification | F1-7500 |
|---|---|
| RMS Power @ 4 Ohm | 2,300W |
| RMS Power @ 2 Ohm | 4,500W |
| RMS Power @ 1 Ohm | 7,500W |
| Frequency Response | 10 Hz – 20 kHz |
| Signal to Noise Ratio | 95 dB |
| Efficiency @ 4 Ohm | 91% |
| Damping Factor | 92 |
| Input Impedance | 22K Ohms |
| THD | 0.50% |
| Low Level Input Range | 400mV – 4V |
| Selectable X-Over | Band-Pass Fixed |
| X-Over Filter Range (CH 1/2) | LPF: 100 Hz – 20 kHz |
| Bass Boost Range | 0 – 12 dB |
| Bass Boost Frequency | 45 Hz |
| Amplifier Class | Digital |
| Amplifier Type | Monoblock Full-Range |
| Number of Channels | 1 |
| Minimum Impedance | 1 Ohm |
| LED Indicator | Power / Protect / Clip |
| Power Input Terminal Size | Dual 1/0GA |
| Fuse Size (Recommended) | 700A |
| Remote Level Control | Yes |
| Voltmeter | No |
| Cooling Fan | Yes |
| Thermal Protection | Yes |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes |
| Clipping Protection | Yes |
| High Efficiency Digital Circuit Design | Yes |
| Tiffany Style RCA | Yes |
| Quality Control (Audio Precision) | Yes |
| Remote Level Control Available | Yes |
| Overall Length | 13.46" / 342 mm |
| Overall Width | 8.46" / 215 mm |
| Overall Height | 2.28" / 58 mm |
| Heatsink Length | 12" / 305 mm |
Frequently Asked Questions
Q: What subwoofers should I run with the F1-7500?
A: Pair it with subwoofers rated at 2,000W RMS or more — SoundQubed’s HDX3.2, HDX4.2, or HDS3.3 series are ideal. Wire multiple subs to achieve a 1Ω final load for maximum power delivery.
Q: What’s the difference between the F-Series and Q-Series amplifiers?
A: The F-Series uses a full-bridge design vs. the Q-Series half-bridge, which allows more power output in a smaller chassis. The F-Series is also the newer 2024 platform with an enlarged heatsink and optional temp/voltage readout on the bass knob.
Q: What electrical upgrades do I need for the F1-7500?
A: The F1-7500 is not for stock electrical systems. You’ll need a high-output alternator, upgraded battery, reserve battery bank, proper 0-gauge wiring, and a dash-mounted voltmeter. Consult a professional installer before purchasing.
Q: Is the F1-7500 good for daily use or competition only?
A: The F1-7500 is built for high-output daily drivers and SPL competition alike. With the proper electrical system in place, it can be run daily — but it demands a fully upgraded vehicle electrical system to perform safely at rated power.
