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AmplifiersHeadphone AmplifiersIntegrated AmplifiersDiscontinued
Estimated price (community-sourced)
$3,205
Around — community and catalog average, updates slowly
About the MHA150
The MHA150 is a headphone amplifier with an integrated DAC and a stereo speaker amplifier. Its headphone output uses McIntosh Autoformers and offers three selectable impedance ranges, while the speaker outputs deliver 50 watts per channel into 8 ohms. Digital inputs include USB, coaxial, optical, and McIntosh MCT; USB supports PCM up to 32-bit/384 kHz, DSD64/128/256, and DXD. It also provides balanced and unbalanced analog inputs, a stereo preamplifier output, a 5-step bass boost, and Headphone Crossfeed Director (HXD).
Specifications
Headphone output: 1 W (High) or 250 mW (Normal); selectable impedance ranges: 8–40, 40–150, or 150–600 ohms; headphone connector: 1/4-inch. Speaker output: 50 W per channel into 8 ohms. THD: 0.005% maximum. Frequency response: 20 Hz–20 kHz (+0, −0.5 dB); 10 Hz–100 kHz (+0, −3 dB). Signal-to-noise ratio: 105 dB. Inputs: balanced XLR, unbalanced RCA, USB, coaxial, optical, and MCT. USB formats: PCM up to 32-bit/384 kHz, DSD64/128/256, DXD 352.8/384 kHz. Outputs: headphone, stereo preamplifier, and 8-ohm speaker terminals. Dimensions (W × H × D): 11.5 × 5.875 × 18 in (29.2 × 14.9 × 45.7 cm), including knobs and connectors. Net weight: 26.5 lb (12 kg).