SMSL SAP-1 Headphone Amplifiersearch

SMSL SAP-1 Headphone Amplifier

SMSL SAP-1 Headphone Amplifier

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Compact Class-A Amplifier

A simple but functional headphone amplifier for anyone looking to take their desk setup up a notch, the SMSL SAP-1 delivers clean, powerful sound from a compact package. Because it stands vertically, it has an exceptionally small footprint for a class-A amp—5.9 inches deep and 3 inches wide, to be exact. It features a large volume knob, an RCA input, and a quarter-inch headphone output, and comes packaged with a plug adapter and a power cord. Please note that the balanced output port and unbalanced output port cannot be used at the same time.

SMSL SAP-1 Headphone Amplifier
SMSL SAP-1 Headphone Amplifier
SMSL SAP-1 Headphone Amplifier


  • Input: RCA interface
  • Output: ¼ in (6.5 mm) headphone interface
  • SNR: 100 dB
  • Power consumption: 5W
  • Output power, 32 ohm: 270 mW
  • Output power, 64 ohm: 170 mW
  • Output power, 150 ohm: 88 mW
  • Output power, 300 ohm: 48 mW
  • Dimensions: 5.9 x 1.8 x 3 in (149 x 45 x 75 mm)
  • Weight: 20.6 oz (583 g)


  • Power cord
  • ⅛ in (3.5 mm) to ¼ in (3.5 mm) adapter


All orders will be shipped by Massdrop.

Estimated ship date is Mar 20, 2017 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.