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CAD Audio HA4

Four Channel Compact Headphone Amplifier

  • CAD HA4 Angle at
  • CAD HA4 Top
  • CAD HA4 Rear

Price: $59.00

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0% interest on orders $299 and up* Learn More

Stock Item, Usually Ships Same or Next Business Day

Stock Item: Ships from our shelf quickly in almost all cases when ordered before our ship cutoff times.

Direct Ship: Non-stock item, but normally ships quickly from the manufacturer or alternate warehouse.

Built To Order: Item is custom built per the options chosen and quickly shipped out upon completion.

Visit our Shipping Page for cutoff times for FREE (USA), USPS or FedEx.

Product Description

The HA4 is a compact stereo headphone amplifier featuring four discrete channels with individual volume controls. Exceptional signal-to-noise ratio ensures optimum clarity and offers a transparent reproduction of your session.


  • Power supply
  • RCA female to 1/4" TRS adapter


  • Frequency Response:20Hz – 50KHz
  • S/N Ratio:>110dBA
  • Maximum Input Level:+16dBu
  • Output Impedance:47 ohms
  • Output Power:50mW

Warranty Information

Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.

Customer Reviews / Q&A Discussion