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The Alpine MRV-F300 is a compact Class-D 4-channel amp built for tight installs and efficient performance. In this Alpine MRV-F300 review we test real RMS output, bridge behavior, and installation best practices so you can decide if this small amp is the right choice for your daily driver or OEM upgrade.
Specs at a Glance (Alpine MRV-F300)
| Power Output | 50 W × 4 @ 4 Ω / 75 W × 4 @ 2 Ω (bridges to 150 W × 2) |
| Amplifier Class | Class-D (Alpine V-Power) |
| THD + N | <0.05% |
| Signal-to-Noise | > 95 dB |
| Dimensions | 7.0″ × 2.1″ × 6.8″ |
| Inputs | RCA and speaker-level inputs; bridgable |
Bench Test & Real-World Output
On a regulated 14.4 V supply th