XPA U 758 – Eight Channel Low Impedance Amplifier
Eight Channel Low Impedance Amplifier
75 Watts Per Channel
Key Features
- 75 watts rms output power per channel at 8 ohms
- 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 – rack mount hardware included
| Specification | Details |
|---|---|
| Output Power | 75 W per channel @ 8 Ω; 50 W @ 4 Ω (all channels driven) |
| Channels | 8 independent channels |
| Signal-to‑Noise Ratio | ~100 dB (20 Hz–20 kHz, unweighted) |
| THD + Noise | ≤ 0.1% @ 1 kHz at 3 dB below clipping |
| Damping Factor | > 100 @ 8 Ω |
| Idle Power | ~9.4–10 W |
| Standby Power | <0.6 W |
| Power at 1/8 Load | ~95–100 W |
| Efficiency | Up to ~75% |
| Amplifier Design | Class D with CDRS™, Power Factor Correction |
| Cooling & Enclosure | Fanless convection; UL 2043 plenum-rated (with conduit kit) |
| Control/Remote Interface | 3.5 mm 2-pin captive screw; provides contact‑closure standby/remote volume control |
| Connectors | 5 mm screw-lock captive screw speaker outputs (22‑12 AWG); 4 audio input connectors (balanced/unbalanced) |
| Protections | Clip limiter, thermal, short, DC fault protection |
| Certifications | ENERGY STAR®, UL, CE, FCC Class B, UL 2043 when used with adapter |
| Dimensions | Half-rack, 1U; includes rack ears for side-by‑side mounting |
| Estimated Power Inrush Control | Ultra-low inrush—allows simultaneous power-up without sequencing |
The Extron XPA U 758 is a high-density, eight-channel stereo power amplifier delivering 75 W RMS per channel into 8 Ω (50 W per channel at 4 Ω), all housed in a half‑rack, 1U, convection-cooled, fanless chassis. With its ultra-efficient design, plenum-rated chassis (UL 2043 compliant with conduit kit), and ENERGY STAR® qualification, this amp maximizes power per rack space while minimizing heat and idle power consumption. Featuring Extron’s patented CDRS™ (Class D Ripple Suppression), Power Factor Correction, automatic standby (after 25 min), and fast InstaWake™ startup (<100 ms), it’s ideal for dense AV system deployments requiring silent, reliable, energy-efficient amplification