Little Dot Zero: Tube headphone amplifier with BT 5.0

The Little Dot Zero is a desktop DAC and headphone amplifier whose amplifier stage is powered by a pair of 1K2 tubes. This allows it to produce a sound that is both warm and subtle, emphasizing...

Little Dot Zero
Little Dot Zero

The Little Dot Zero is a desktop DAC and headphone amplifier whose amplifier stage is powered by a pair of 1K2 tubes. This allows it to produce a sound that is both warm and subtle, emphasizing greater musicality.

Little Dot Zero

The Little Dot Zero also features a digital-to-analog conversion stage, allowing it to offer USB-B input and Bluetooth 5.0 reception, in addition to a 3.5mm jack line-in input. In addition, the Bluetooth chip used supports high-definition data codecs such as aptX HD or LDAC, the latter supporting sampling rates up to 24-bit 96 kHz. Finally, the Little Dot Zero has dual headphone outputs with 3.5mm and 6.35mm jacks.

Little Dot Zero from behind

Characteristics of Little Dot Zero:

  • Product Type: DAC and Headphone Amplifier
  • Inputs: Bluetooth 5.0/1x USB-B/1x Jack 3.5 mm
  • Outputs: 1x Jack 3.5mm headphone out/1x Jack 6.35mm headphone out
  • Tubes: 2x 1K2
  • Supported Bluetooth codecs: SBC, AAC, aptX LL, aptX HD, LDAC
  • Supported sampling rates: Bluetooth: PCM up to 24bit 96kHz (LDAC)/USB: PCM up to 24bit 192kHz.
  • Distortion: 0.1% (1000 Hz)
  • SNR: 98 dB
  • Frequency response: 20Hz – 20kHz (-0.2dB)/10Hz – 50kHz (-1.2dB)
  • Output Power: 1.8W@32ohm/0.8W@120ohm/0.3W@300ohm
  • Dimensions: 140 x 108 x 75 mm

Francis Adamiak
Author: Francis Adamiak

Francis Adamiak is a passionate audiophile and expert in high-fidelity audio equipment, with a focus on amplifiers and speakers. Drawing on years of experience and a deep love for sound quality, he shares in-depth reviews and insights on the latest audio technology.

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