Description

The AT-HA40USB is a headphone amplifier which is designed to greatly improve the sound of your music. It’s powered via USB and its small compact body makes it the perfect portable headphone amplifier that offers high definition sound.

Compatible with 24bit/96kHz, allowing you to enjoy high resolution sound sources, which greatly exceeds CD quality music

Condenserless circuits helps reproduce thick bass

Light compact body ideal for portability

User friendly USB bus power – does not require AC power outlet

Selectable outputs from digital optical or analog line output

Computer Interface

USB 2.0 interface

Sample Rate

32 kHz, 44.1 kHz, 48 kHz, 96 kHz

Frequency Response

10 Hz ~ 40 kHz (at -3dB, 96 kHz)

Maximum Output Power

Headphones : 45 mW + 45 mW (at 32Ω, 10% T.H.D.)

Total Harmonic Distortion

Headphones: Less than 0.07% (at32Ω, 20 mW output);

Line Output: Less than 0.02% (at 0 dBV, 1 kHz)

Signal-To-Noise Ratio

Headphones: Greater than 95 dB;

Line Output: 0.8 Vrms

Audio Output

3.5mm stereo mini-jack

Optical Digital Output

Compatible sampling frequency : 32 kHz, 44.1 kHz, 48 kHz, 96 kHz

Compatible format S/PDIF : PCM audio

Dimensions

H25mm x W62mm x D57mm (excluding protruding parts)

Weight

55g

Accessories Furnished

USB (2.0) cable 1.0m