A3

A3

Way more power

behind new design

Portable Headphone Amplifier

All-new appearance

All aluminum-alloy body and chassis adds street cred and increases shielding from EM interference.

Visual operation experience

Comes with sexier and more reliable toggle switches

Improved sound performance

Pre amplifier OPA1642: serves as the voltage amplifier, with great layering and medium and high frequency extension. Power amplifier AD8397: serves as the current amplifier, with great control of low frequencies and smooth drive ability.

 Fully discrete bass circuit design

Bass On: Boosts bass effect without influencing the overall sound field. Bass Off: Bypasses bass circuit, decreases interference and noise floor so as to ensure the  purity of the sound quality.

 Reinforced battery capacity

Can work while charging; 1400mAH built-in battery ensures more than 16hrs of battery life

Specifications

Power supply: Mini USB port

Maximum output power: 450mW(16Ω); 270mW(32Ω)；

Frequency response             20Hz~20KHz

Signal-to-noise ratio： ≥108dB THD: <0.004%

Charging time： ~240min.

Operating time： Up to 16hr.

Recommended earphone impedance： 16~150Ω

Dimensions： 91.2mm x 56mm x 13mm

Weight: 92g(with battery)

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