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Headphone Amplifier, DAC & Pre-Amplifier

Discrete Class A Balanced Headphone Amplifier

Asynchronous USB DAC Up to 384 kHz and DSD256

Stereo Pre-Amplifier with Home Theater Bypass

Compatible with iPod/iPhone/iPad and Bluetooth

price: $1,199 
12-11-2015 — Our ad in the January '16 issue of Stereophile Magazine incorrectly lists the HA-1's price as $699. The correct price is $1,199. We apologize for any confusion or inconvenience this error may cause.

Front View (High resolution file size: 1.92 MB)
HA-1 Front View

Inside View (High resolution file size: 1.03 MB)
HA-1 Inside View

Back View (High resolution file size: 1.05 MB)
HA-1 Back View

Silver (High resolution file size: 0.86 MB)
HA-1 Silver

Remote Control (High resolution file size: 1.37 MB)
HA-1 Remote Control

HA-1 Headphone Amplifier and PM-1 Planar Magnetic Headphones [Sold Separately]
(High resolution file size: 2.58 MB)

HA-1 and PM-1

Internal Diagram (High resolution file size: 15.5 MB)
HA-1 Internal Diagram