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Specs

DAC Section

  • Massdrop x Grace Design
  • DAC chip: AKM AK4452
  • Audio formats: Up to 24 bit/96 kHz
  • Frequency response, 20Hz–20 kHz: +/-0.02 dB
  • THD+N at 20 Hz -0.15 dBFS: 0.0013%
  • THD+N at 100 Hz, -0.15 dBFS: 0.0013%
  • THD+N at 10 kHz, -0.15 dBFS: 0.0024%
  • IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005%
  • IMD SMPTE -6 dBFS, 24/96k: 0.0015%
  • Noise, A-weighted:  -105 dBu
  • Dynamic range, A-weighted: >114 dB
  • Linearity, -90 dBFS: -0.07 dB
  • Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB
  • Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB
  • Maximum output:  2.15VRMS
  • USB controller: XMOS XU208-128-TQ64
  • Inputs: USB micro
  • Output: RCA
  • Power: USB Class 1 (no drivers required for Windows, Mac, or Linux)

Amp Section

  • Input: RCA, SDAC (when powered)
  • Output: 6.35 mm
  • Power: AC adapter included (purchase separately: plug adapter for your country’s outlet)
  • Gain: 1.0x and 3.3x
  • Frequency response: +/-0.1 dB (20 Hz–20 kHz)
  • THD (1 kHz, 150 ohms): 0.0016%
  • IMD CCIF (15 ohms): 0.001%
  • IMD SMPTE: 0.002%
  • Noise (ref 400 mV): -105 dB
  • Max output (33 ohms): 613 mW
  • Max output (150 ohms): 355 mW
  • Max output (600 ohms): 88 mW
  • Output impedance: 0.54 ohms
  • Crosstalk (15 ohms): -65 dB
  • Channel balance (50% volume): 0.6 dB

Physical

  • Front ¼ in (6.35 mm) output
  • Rear RCA input/output
  • Rear microUSB
  • Rear power
  • Chassis material: Anodized aluminum
  • Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm)
  • Weight: 9.28 oz (263 g)

Included

  • 3.3 ft (1 m) micro-USB to USB cable
  • Drop's 1-year warranty

RETURNS—NO QUESTIONS ASKED

We get it. Sometimes what you ordered just doesn’t work out. If that’s the case for you, don’t fret! All customers (both US and international) may return this item in new, unused condition within 30 days of delivery.

Shipping

Estimated ship date is Sep 30, 2021 PT.

Payment will be collected at checkout.

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