Portable Headphone Amplifier
● All aluminum-alloy body and chassis increases metal texture and increases shielding from EM interference.
● New toggle switches and more reliable and easier to read and operate.
● 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.
● Fully discrete bass and gain circuit design.
● Can work while charging, 1400mAH built-in battery ensure more than 12hrs of battery life.
Power Supply: Mini USB Port
Maximum output power: 270mW (32 Ohm THD <1%); 450mW (16 Ohm THD<1%)
Frequency response: 20Hz~20KHz
Charging time: <4H
Operating time: >12H
Drive ability: 16~150 Ohm