Grace Design m900 DAC Headphone Amplifier
The Grace Design m900 DAC Headphone Amplifier packs studio level sound into a tiny box that fits easily on any desk. It gives your headphones a clear, detailed, and powerful sound that feels bigger than its size. Whether you are working on music or just relaxing with your favorite playlist, the m900 delivers rich audio that pulls you in and makes every moment more enjoyable.
Grace Design m900 DAC Headphone Amplifier Review
Behind its simple look is a serious audio tool. The m900 uses a high quality AKM DAC chip that handles high resolution audio with ease. Its smart power system lets you switch between low power and high power modes so you can drive anything from small earbuds to demanding studio headphones. With USB, S/PDIF, and TOSLINK inputs, it fits right into almost any setup. The crossfeed feature also creates a more natural listening space, making long sessions easier on your ears.
Grace Design m900 DAC Headphone Amplifier Features
- Dual headphone jacks make it easy to share or switch between pairs
- Clear and smooth sound that works great for music or mixing
- Custom sound filters that let you shape the audio to your taste
- Simple screen and large volume knob for fast, easy control
- Works on the go or at home thanks to high and low power modes
Grace Design m900 DAC Headphone Amplifier Specs
- AKM 4490 DAC chip with support for up to 384 kHz PCM and 256x DSD
- USB, S P DIF, and TOSLINK digital inputs
- Zero ohm headphone outputs for clean and accurate sound
- RCA outputs for connecting to speakers or a monitor setup
- High power mode uses included 2 amp DC supply and low power mode runs from USB
- Power consumption up to 8 watts in high power mode and 2.5 watts in low power mode
- Maximum output level up to 6 volts in high power mode
Grace Design m900 DAC Headphone Amplifier Dimensions
- Height: 1.8 in
- Width: 4 in
- Depth: 5.25 in

