The Sony Mobile ES XM-4ES is a premium 4-channel Class-D amplifier engineered for audiophile-grade sound quality, OEM integration, and high-power full-range performance. Part of Sony’s flagship Mobile ES lineup, the XM-4ES is designed for SQ enthusiasts wanting exceptionally clean output, strong dynamics, and Hi-Res Audio capability in a compact chassis
Main Features
- 4-channel Class-D amplifier
- Hi-Res Audio compatible
- 100W x4 RMS @ 4Ω
- 165W x4 RMS @ 2Ω
- 330W x2 bridged @ 4Ω
- Signal summing for OEM integration
- Combined pre-outs for amplifier chaining
- Differential balanced inputs
- Variable HPF/LPF/Bandpass crossovers
- Toroidal-core power supply
- OFC-wound upgraded inductors
- Hex-key speaker terminals
- Compact chassis design
- Optimized isolated grounding layout
Specs
| Specification | Details |
|---|---|
| Amplifier Class | Class-D |
| Channels | 4 |
| RMS Power @ 4Ω | 100W x4 |
| RMS Power @ 2Ω | 165W x4 |
| Bridged Power @ 4Ω | 330W x2 |
| Frequency Response | 10Hz – 40kHz |
| Hi-Res Audio Compatible | Yes |
| Signal Summing | Yes |
| Crossovers | HPF / LPF / Bandpass |
| Speaker-Level Inputs | Yes |
| Differential Inputs | Yes |
| Dimensions | Compact Chassis |
| Approx. Shipping Weight | ~10–14 lbs |
Installation Notes
The XM-4ES performs especially well with:
- DSP processors
- Active front stages
- High-end component speakers
- OEM integration systems
- Sony Mobile ES speaker systems
