DC Audio 3.5k - 3,500w Monoblock Amplifier - DCA-3.5K
DC Audio 3.5k - 3,500w Monoblock Amplifier - DCA-3.5K
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DC Audio 3.5k - 3,500w Monoblock Amplifier - DCA-3.5K
DC Audio 3.5k - 3,500w Monoblock Amplifier - DCA-3.5K
The 3.5kw competition series amplifier is a 3,500 watt mono block. It is capable of running up to 18 volts
for up to 5,100 watts. It is a linkable amp and designed to run a 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 0 awg for power and
0 awg for ground.
Features
-
1 ohm stable
- Variable low pass filter
- Variable subsonic filter
- Variable bass boost
- Wired remote control
- Clipping indicator
Specifications
| Features | Voltage | 3.5kw | |
|---|---|---|---|
| Output Power (RMS) | 4 ohm | 14.4V | 750W x 1 |
| 2 ohm | 1,800W x 1 | ||
| 1 ohm | 3,500W x 1 | ||
| 1 ohm | 16V | 4,000W x 1 | |
| 1 ohm | 18V | 5,100Wx1 | |
| 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 | 300 Amps | ||
| Linked Fuse Rating | 600 Amps | ||
| Indicator | Power | Yes | |
| Protection | Yes | ||
| Clip | Yes | ||
| Speaker & Power terminal | Mold Type | Yes | |
| Power | Gauge | 0Ga | |
| Heatsink Length | inch/mm | 21.26"/540mm | |
| Heatsink Width | inch/mm | 9.38"/238mm | |
| Heatsink Height | inch/mm | 2.35"/59.6mm |
What Our Experts Think
- The DC Audio 3.5k (DCA-3.5K) is a powerful Class D monoblock amplifier designed for high-output bass systems and custom car audio builds
- Delivers up to 3,500W RMS @ 1Ω for strong subwoofer performance and deep low-frequency output
- Efficient Class D design provides high power delivery while helping reduce heat and electrical waste
- Features adjustable controls including low-pass filter, subsonic filter, bass boost, phase control, and remote bass adjustment
- Designed for serious daily systems and SPL-style builds using high-power subwoofers
- Supports upgraded wiring and electrical systems for stable performance at high output levels
- Ideal for powering large subwoofers in custom enclosures where strong, clean bass is required
Q&A
Q: How much power does the DC Audio 3.5k produce?
A: It delivers up to 3,500 watts RMS at 1 ohm with proper installation.
Q: Is it stable at 1 ohm?
A: Yes, it is designed for 1-ohm stable subwoofer applications.
Q: Is it good for daily use?
A: Yes, it works well for daily high-output bass systems when properly tuned.
Q: What type of subs work best with it?
A: It is ideal for high-power 12", 15", and 18" subwoofers depending on the setup.
Q: What electrical upgrades are recommended?
A: Upgraded alternator, quality batteries, and proper gauge power wiring are recommended for maximum performance.
Maintenance Tips
- Keep amplifier connections tight and corrosion-free
- Use correct gain settings to prevent clipping and overheating
- Ensure proper airflow around the amplifier during operation
- Check power and ground wiring regularly
- Monitor voltage levels during heavy bass use
- Keep amplifier surface clean and free from dust buildup
