DD Audio SS4.500 4-Channel Amplifier
The SS4.500 represents the latest evolution in DD Audio’s high-speed, high-current Class D amplifier technology, delivering exceptional power and superior sound quality in an incredibly compact design. This state-of-the-art mini amplifier features upgraded components throughout and DD Audio’s signature heat sink design for maximum cooling efficiency.
Key Features
- Ultra-Compact Design: Delivers 125W per channel from just 30 square inches of footprint
- Advanced Heat Management: Classic DD Audio heat sink with 50% thicker side walls and extended fins for superior cooling
- Upgraded Components: Higher current MOSFETs, increased power capacitors, and more powerful transformer
- Versatile Crossovers: Selectable high-pass and low-pass filters (35-250Hz) for components and subwoofers
- Enhanced PCB: Double the thermal capability with improved venting for reliability
- Superior Audio Quality: 95dB S/N ratio and 0.1% THD for pristine sound reproduction
Technical Specifications
- Power Output: 125W x 4 @ 2 ohms, 75W x 4 @ 4 ohms
- Operating Voltage: 9-16V DC
- Frequency Response: 20Hz – 20kHz
- Damping Factor: 100
- Max Current Draw: 40 Amps
- Dimensions: 5.75″ x 4.5″ x 2″ (146 x 115 x 50mm)
- Input Sensitivity: 0.25-6V RCA, 1.1-20V high-level
- Weight: 4 lbs
Perfect for installations requiring maximum power in minimal space while maintaining audiophile-grade sound quality.
