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Teac HA-P90SD Portable Headphone Amplifier / Digital Audio Player / USB DAC


  • The black HA-P90SD from Teac is a portable headphone amplifier, USB DAC, and high resolution audio player with native DSD playback for audiophiles on the go. A built-in micro-SD card slot can be loaded with high-resolution audio, up to 192 kHz/24-bit or DSD at 2.8 MHz or 5.6 MHz. The professional quality Burr-Brown PCM1795 converter supports a variety of audio formats including WAV, FLAC, MP3, AAC, DSF and DFF files, either from the internal card or using the free TEAC HR Audio Player app for iOS and Android devices.

    The professional-grade electronics include Burr-Brown OPA1602 SoundPLUS op amps, dedicated dual sample clocks for 44.1 and 48 kHz multiples, discrete electronics, and push-pull circuitry. The high-power headphone amplifier is capable of driving headphones with a range of 8 to 600 Ohms. The enclosure is constructed from a robust all-aluminum chassis. The HA-P90SD ships with a USB A to micro-USB B connection cable, a USB A to DC charging cable, a RCA conversion cable, and two rubber-bands.

    Portable Headphone Amplifier

    Multi-function mini-plug input jack compatible with analog line, and digital optical and coaxial inputs.

    Compatible digital input formats:

    • PCM44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz, 16/24-bit
    • DSD64 (2.8 MHz) / DSD128 (5.6 MHz), 1-bit USB A, USB micro-B ports only
    • DSD128 (5.6 MHz) native playback via digital input from Windows, Macintosh, iOS & Android devices
    • Direct iOS Lightning or 30-pin USB cable connection (Apple Camera Connection Kit not required)
    • Free high-resolution TEAC HR Audio Player application compatible with Windows, Macintosh, iOS & Android devices
    • Asynchronous mode supported
    • Operating time: 7 hours continuous (when connected to iOS digital player)
  • Built-In Player

    • DSD128 (5.6 MHz) or DSD64 (2.8 MHz) native playback from inserted microSD card
    • Maximum microSD Card Capacity: 128 GB
    • Compatible Sound File Formats: WAV, MP3, AAC, WMA, FLAC, DSF, and DSDIFF (DFF)
    • PCM Bit Rate: 16-bit / 24-bit
    • PCM Sampling Rate: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz (FLAC: 176.4 and 192 kHz with planned firmware update)
    • Operating Time: 6 hours, continuous (DSD128, 5.6 MHz; Power mode: Low; Gain: Low; Phones: 32 Ohms; Output: 1 mW + 1 mW)
    • Automatic multi-format tag sorting (track name, album, artist, playlist, favorite)
    • Repeat mode (Single repeat, specified range repeat)
    • Shuffle mode (On/Off)
    • Playback Range Designation: (Track name, album, artist, genre, playlist, favorite)
    • Equalizer (4 presets)
    • Gapless playback (On/Off)
    • Discreet headphone amplifier utilizes audio op-amp and push-pull circuitry
    • High power output (Impedance: 8 – 600 Ohms) of 170 mW + 170 mW (at 32 Ohms load)
    • Analog Device Inc. BF606 Blackfin processor
    • Burr-Brown PCM1795 D/A converter
    • Dedicated 44.1 kHz and 48 kHz high-precision crystal master clock generators
    • Burr-Brown OPA1602 SoundPLUS audio op-amp
    • Separate digital and analog circuit layout
    • High/Low Gain switch and 4-step attenuator combine for 8 possible output settings
    • Digital coaxial output for microSD card data and digital USB input
    • Digital coaxial output of DSD64 (2.8 MHz) via DoP (with planned firmware update)
    • Slim 21.5mm-thick case
    • Robust all-aluminum construction minimizes susceptibility to external noise
    • Dimmer function
    • Display brightness adjustment
    • Automatic power-off function
    • USB quick-charge using supplied USB-A DC charging cable (full charge: 4 hr)
    • RoHS compliant
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