McIntosh MC451

A 150 Watt vacuum tube amplifier and 300 Watt solid state amplifier in one. Design with bi-amping speakers in mind. Includes McIntosh Hybrid Drive™ technology to combine the best of vacuum tubes and solid state.
| Brand | McIntosh |
| Model | MC451 |
| Power per channel, 8 Ω (W) | 300 |
| Power rated from (Hz) | |
| Power rated to (Hz) | |
| Power rated at THD (%) | |
| Power rated with channels driven | |
| Phono input | |
| Digital inputs | |
| USB DAC | |
| Headphone output | |
| Bluetooth | |
| Height (mm) | 300 |
| Width (mm) | 454 |
| Depth (mm) | 546 |
| Weight (kg) | 60.3 |