





Sundown Audio SIA-3500D v2 Full-Range Mono Amplifier
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Subwoofer Wiring Diagram
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- Power — 3,500W @ 1Ω, 3,300W @ 2Ω, 2,600W @ 4Ω RMS
- Design — Full-range monoblock, intelligent full-bridge design
- Filters — Variable 12dB low pass (40Hz–20kHz), variable 12dB high pass (10Hz–1kHz), subsonic filter
- Cooling — Advanced 3-speed fan design with heavy heatsink
- Protection — Thermal, voltage, speaker short, and DC-offset
This Listing Includes: (1) Sundown Audio SIA-3500D v2 Full-Range Mono Amplifier
The SIA-3500D v2 delivers tremendous full-range power: 3,500 watts at 1 ohm, 3,300 watts at 2 ohms, and 2,600 watts at 4 ohms RMS. Built with power and stability at its core, this intelligent full-bridge amplifier uses a heavy heatsink and a three-speed Smart Cooling fan with an advanced power supply design to protect against overheating and distorted output. Variable 12dB low and high pass filters plus a subsonic filter give you full tuning control, and power, protection, and clipping indicators keep you informed. A wired remote control with clipping indicator is included. Authorized Sundown Audio dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- Intelligent full-bridge design
- Advanced 3-speed Smart Cooling fan
- Variable 12dB low pass (40Hz–20kHz) and high pass (10Hz–1kHz) filters
- Subsonic filter
- Wired remote control with clipping indicator included
Specifications
| RMS @ 1Ω | 3,500W |
| RMS @ 2Ω | 3,300W |
| RMS @ 4Ω | 2,600W |
| Low Pass Filter | 40Hz–20kHz, variable 12dB |
| High Pass Filter | 10Hz–1kHz, variable 12dB |
| Protection | Thermal, voltage, speaker short, DC-offset |


