Portable, stereo headphone amplifier designed for demanding and critical audio monitoring.

4 independent 3.5 mm headphone outputs, each with a dedicated volume control knob.

Independent mute buttons for each channel provides the ability to mute each output channel immediately without affecting overall output settings.

High versatility of the two-way power system. Powered by either two AA batteries or the USB Type-C connector from USB AC adapter or USB battery pack.

SPECS

GAIN: 24 dB

CLIPPING LEVEL: +18 dBu

OUTPUT IMPEDANCE: 47 Ω

FREQUENCY CHARACTERISTICS: 10 – 50 kHz, +/-1.0 dB

DYNAMIC RANGE: ≧100 dB

INPUT IMPEDANCE: 10 kΩ

POWER SUPPLY: 2*AA batteries (alkaline, nickel-metal hydride or lithium) / External USB Type-C DC5V / 1 A

WEIGHT: 180 g

EXTERNAL DIMENSIONS: 130 × 70 × 52 mm

ESTIMATED CONTINUOUS OPERATION TIME USING BATTERIES: about 3.5 hours with Alkaline / about 4.5 hours with NiMH (1900 mAh) / about 8.5 hours with Lithium

•Connecting 4 headphones with 32 Ω load •Continuous battery operation times were determined using in-house testing methods. They will vary greatly according to use conditions.