DC Audio 7.5k - 7,500w Monoblock Amplifier - DCA7.5K
DC Audio 7.5k - 7,500w Monoblock Amplifier - DCA7.5K
Couldn't load pickup availability
DC Audio 7.5k - 7,500w Monoblock Amplifier - DCA7.5K
DC Audio 7.5k - 7,500w Monoblock Amplifier - DCA7.5K
The 7.5kw competition series amplifier is a 7,500 watt mono block. It is capable of running up to 18 volts
for up to 9,200 watts. It is a linkable amp and designed to run at 1 ohm per amp or 2 ohms when strapped.
It comes with a bass knob and a clipping indicator. For power inputs it will accept dual 0 awg for power
and dual 0 awg for ground.
Features
- 1 ohm stable
- Variable low pass filter
- Variable subsonic filter
- Variable bass boost
- Wired remote control
- Dual 0 awg power and ground inputs (both must be used)
Specifications
| Features | Voltage | 7.5kw | |
|---|---|---|---|
| Output Power (RMS) | 4 ohm | 14.4V | 2,000W x 1 |
| 2 ohm | 4,400W x 1 | ||
| 1 ohm | 7,500W x 1 | ||
| 1 ohm | 16V | 8,600W x 1 | |
| 1 ohm | 18V | 9,200W x 1 | |
| Input Sensitivity | 6V~0.2V | ||
| Low Pass Filter | Switchable | ||
| ( @ 24 dB Slope) | Variable | Hz | 35~250 |
| Subsonic Filter | Switchable | ||
| ( @ 24dB slope ) | Variable | Hz | 10~50 |
| Bass Boost | Variable | dB | 0-9dB |
| Frequency Response | Hz | 15-270 | |
| Signal to Noise Ratio | dB | 100 | |
| Damping factor | 150< | ||
| Efficiency @ 4ohm | % | Over 90% | |
| THD @ 4ohms | Less than 0.1% | ||
| Fuse Rating | 750 Amps | ||
| Linked Fuse Rating | 1500 Amps | ||
| Indicator | Power | Yes | |
| Protection | Yes | ||
| Clip | No | ||
| Speaker & Power terminal | Mold Type | Yes | |
| Power | Gauge | 0Ga x 2 | |
| Heatsink Length | inch/mm | 32.28"/820mm |
What Our Experts Think
- The DC Audio 7.5k (DCA-7.5K) is a high-output Class D monoblock amplifier built for serious SPL and competition bass systems
- Delivers up to 7,500W RMS @ 1Ω (14.4V system voltage) with strong efficiency and stability for extreme subwoofer setups
- Can reach ~9,200W output at higher system voltage (around 18V setups) in advanced electrical builds
- Fully linkable/strap-capable design, allowing multiple amps to be combined for massive power systems
- Accepts dual 0 AWG power and ground inputs for high-current delivery and stable performance under load
- Includes full tuning control: low-pass filter, subsonic filter, bass boost, phase adjustment, and remote bass control
- Built for competition-grade subwoofer systems, typically paired with multiple high-power 15"–18" drivers
- Requires upgraded electrical system (high-output alternator + AGM or lithium battery bank) for safe operation
Q&A
Q: How much power does the DC Audio 7.5k produce?
A: It delivers 7,500 watts RMS at 1 ohm, with higher output possible at increased voltage systems.
Q: Is it stable at 1 ohm?
A: Yes, it is fully 1-ohm stable and designed for high-current SPL applications.
Q: Can it be used daily?
A: Yes, but it is primarily designed for competition or high-performance bass systems.
Q: Does it support linking with other amps?
A: Yes, it is linkable/strap-capable for multi-amplifier setups.
Q: What subs work best with it?
A: High-power SPL subwoofers such as DC Audio Level series, Sundown ZVX, or similar competition drivers
Maintenance Tips
- Maintain stable voltage under load to prevent clipping and damage
- Use proper gain tuning and avoid overdriving the amplifier
- Ensure strong grounding and multiple 0 AWG power runs for stability
- Provide adequate airflow to prevent thermal protection shutdown
- Upgrade alternator and battery system before running full power
- Break in subwoofers properly before applying full wattage levels
