XPA U 358C – Eight Channel Combo Amplifier
Eight Channel Combo Amplifier
35 Watts Per Channel
Key Features
- Four channels of 35 watts at 8 ohms or 4 ohms
- Four channels of 35 watts at 70/100V
- ENERGY STAR® qualified amplifier
- Auto standby saves energy
- InstaWake™ exits auto-standby mode in under 100 milliseconds
- Convection cooled, fanless operation – can be stacked without extra rack space for ventilation
- Eight channels in a 1U, half rack width enclosure – single and dual rack mount hardware included
| Specification | Details |
|---|---|
| Channels / Output Power | 8 channels × 35 W RMS (4 × 8 Ω/4 Ω + 4 × 70 V or 100 V) |
| Idle / Sleep Power | ~8.8 W / ~0.7 W |
| Power @ 1/8 Output | ~59 W |
| Efficiency | ~67% |
| SNR / THD+N | ~100 dB SNR; THD+N < 0.1% |
| Cooling | Fanless convection; stackable |
| Form Factor | Half-rack 1U; includes mounting hardware |
| Certifications | ENERGY STAR®; UL, CE, RoHS, FCC; UL 2043 with adapter |
The Extron XPA U 358C is a high-density eight-channel amplifier in a compact half-rack 1U chassis. It delivers four channels of 35 W each at 8 Ω/4 Ω, and four channels of 35 W each at 70 V or 100 V, all simultaneously. The amp uses a fanless, convection-cooled design and is UL 2043 plenum-rated (with optional conduit kit), allowing stackable installations without ventilation spacing. It features Extron’s CDRS™ (Class D Ripple Suppression), Everlast power supplies, ultra-low inrush current, defeatable auto‑standby, and InstaWake™ activation in under 100 ms. ENERGY STAR® certified, it offers silent, efficient, and reliable performance in professional AV environments.


