XPA 4002 – Two Channel Amplifier
Two Channel Amplifier – 400 Watts Per Channel
Key Features
- 800 watts rms output power:
- XPA 4002 – 2 x 400 watts @ 4 ohms, 2 x 200 watts @ 8 ohms, or 1 x 800 watts @ 8 ohms (bridged)
- XPA 4002-70V – 2 x 400 watts @ 70 volts
- ENERGY STAR® qualified amplifier
- Professional grade signal-to-noise and THD+N performance
- Extron Patented CDRS™ – Class D Ripple Suppression
- Convection cooled, fanless operation
- Ultra low inrush current – no need for power sequencing
| Specification | Details |
|---|---|
| Stereo Output | 2 × 400 W @ 4 Ω; 2 × 200 W @ 8 Ω |
| Bridged Mono Output | 800 W @ 8 Ω |
| Load Impedance | Minimum 4 Ω (stereo mode); 8 Ω for bridged mode |
| SNR / THD+N | ~100 dB / ≤ 0.1% |
| Amplifier Design | Class D with CDRS™ |
| Cooling | Passive convection (fanless) |
| Power Management | Auto stand-by / fast power-up (~23 min idle timeout) |
| Idle / Standby Power | ~30.7 W idle @ 1/8 power; ~0.4 W standby |
| Efficiency | ~65% at 1/8 output |
| Size / Weight | 1U half‑rack; ~4 kg (9 lbs) |
| Remote Interfaces | Contact-closure remote power/volume/mute; detented recessed level control |
| Protection Features | Auto clip limiter; overload / thermal / short protections |
| Certifications | ENERGY STAR®, UL, CE, RoHS, FCC Class B, UL 2043 plenum-rated |
The Extron XPA 4002 is a high-performance, dual-channel power amplifier from the compact XTRA™ series. It delivers 400 W RMS per channel into 4 Ω, 200 W into 8 Ω, or 800 W in bridged mono mode into 8 Ω. Housed in a half-rack 1U convection-cooled chassis, this fanless design is ENERGY STAR® qualified and ideal for densely packed AV racks or installations with limited ventilation. The amplifier incorporates Extron’s patented Class D Ripple Suppression (CDRS™) for clean, distortion-free audio and low RF emissions

