Portable Headphone Amp & DAC

• Compact
• Premium TI DAC
• 1111 Amp IC by Maxim
• Low distortion

Rich Set of Ports for Multifunctional Usage

Plug-and-plug usage as sound output for computers via USB port, an effective upgrade to your computer's onboard sound card. Supporting sample rates up to 96kHz/24bit.

• USB audio decoding
• Supporting up to 96 kHz/24 bit

Also with line input port (shares port with line out), for portably amplifying any audio source via a simple 3.5mm connection. USB charging may be turned on/off via charging toggle switch, to improve compatibility with portable sources. For added convenience, you may also charge the Q1 via USB while listening to it.

Unique Metal Body

Compact and unique design. Sandblasted exterior for better handholding All metal chassis for effective electromagnetic shielding.

• Compact
• Unique
• All-metal

Gain and Bass Switches to Adapt to Different Needs

Robust switches lead to high quality gain and bass circuits, for different amplifying settings to satisfy different listening needs.

Large Battery for Long Play Time

• 1400 mAh capacity
• > 30 h play time

Built-in Li-poly battery holds 1400 mAh for up to 30 hours of continuous playback at normal volumes.

Specifications:

• Model Name/Number: Q1
• Audio Input: Micro USB/3.5 mm Jack
• Volume Control: TOCOS Potentiometer
• Recommended Headphone Impedance: 16~150Ω(Recommended)
• Battery Capacity: 1400 mAh
• Max Output Voltage: 7.2 Vp-p
• Dimensions: 97mm x 56mm x 13.1mm
• Headphone output: 3.5 mm stereo jack
• Bass Adjustment: Yes
• Power Input: DC5V 1A recommended
• Battery Life: >30 h
• Charge Time: ≤4 h
• Output Impedance: < 0.3 Ω
• SNR: ≥107 dB
• Max Input Level: >4 Vrms
• Channel Imbalance: 0.2 dB
• Bass Adjustment Range: 0/5dB
• Max Output Current: >75 mA
• THD+N: <0.005% (1 kHz)
• Frequency Response: 20 Hz~20 kHz
• Weight: 100 g

• >190 mW (32 Ω/THD+N<1%)
• >75 mW (150 Ω/THD+N<1%)

• 4.3 V (GAIN=L)
• 1.5 V (GAIN=H)
• Crosstalk: ≥75dB(1 kHz)

• AUX In:-7dB/4.5dB
• USB In:-3.5dB/8dB