USB Audio adapter

Headphone amplifier


Headphone amplifier
GRENDEL enhances audio quality of devices with Jack 3.5 mm audio output when you use them
with headphone. The built-in hardware equalizer also improves bass, offers two Jack 3.5 mm
audio outputs and a built-in rechargeable battery. The amplifier will help you enjoy ambience
of your favorite games in the best way.
Headphone amplifier.
To be connected into audio output of your computer, Smartphone, tablet.
1 input and 2 audio output Jack 3.5 mm.
2 outputs to share listening.
Can be used with headsets with microphone of Smartphones.
Hardware equalizer with 2 levels of bass boots.
Volume control potentiometer with on/off switch.
Built-in 200 mAH battery, rechargeable by Micro USB port (cable not suplied)
Analog audio input: 3.5 mm analog 4-pole headphone jack*1
Analog audio output: 3.5 mm analog 4-pole headphone jack*2
Maximum 2X headphone power output gain for bypass mode
Maximum 2X headphone power output gain to your original audio device for hardware EQ mode
THD+N: 0.03% @ 1mW; 0.05% @ 32mW
S/N Ratio: >90 dB, 20 – 20 kHz A-Weighting
Frequency Response: 20 – 20 kHz +/- 1.0 dB
Headphone Drive Ability: 16 – 100 Ohm
Max output power: -90 mW @ 32 Ohm,1.7 V, 0.2% THD+N
                -33 mW @ 100 Ohm,1.8 V, 0.1% THD+N
Battery Life: >8 hours (depends on usage)
Package content
Headphone Amplifier*1
User’s Manual*1
3.5 mm 4-pole to 3.5mm 4-pole cable*1