Headphone Amps



  • 4 Channels — with 8 total headphone outputs (2 per channel)
  • Individual switchable input monitoring
  • Stereo ¼” TRS and 3.5mm mini connector (TRS) headphone outputs
  • Balanced ¼” (TRS) line level and unbalanced ¼” (TS) line level inputs
  • Stereo ‘Link’ connectors for daisy chaining and/or external processing
  • Integrated mic stand mount for flexible integration in both studio and home recording
  • Integrated internal power supply eliminates obstructive wall-worts


The Sterling SHA4 Headphone Amplifier is ideal for recordists and recording engineers who need a quality amplifier with an assortment of input/output configurations and versatile monitoring options.

The flexible dual-source audio inputs provide two discrete headphone mixes per channel, which can be changed at the flip of a switch. The stereo Link function allows for daisy chaining multiple SHA4 headphone amplifiers for easy scalability as your requirements grow or change.

Sterling SHA4 4-Channel Desktop Headphone Amplifier

The SHA4 can also be used as a desktop device, or mounted on a mic stand with its integrated mic stand adapter. Its robust design and rubberized side caps provide superior durability, ensuring dependable audio-monitoring service for years to come.


Max Input Level: +8dBV
Front Input: Stereo 1/4" TRS (unbalanced)
Rear Input: Stereo 1/4" L/R (balanced)
Outputs: 4 channels, 1/4" TRS
Input Impedance: 10 K Ohms (unbalanced), 20 K Ohms (balanced)
Output Impedance: 6 Ohms
Max. Level: 19dB/channels
S/N Ratio: >90dB
THD: <0.005% @1V/1KHZ
Power Supply: DC 17V 800mA, center pin positive
Dimensions: 6.75" x 5.5" x 2.5"
Weight: 3.30 lbs.

Sterling SHA4 4-Channel Desktop Headphone Amplifier

Available from the following retailers: