XUELIN IHIFI100 Portable Headphone Amplifier Pure Class 3.5mm Hi-Res Audio Gain Switch for Smart Phone PC ( Item#: V7231US )

Description:
The headphone amplifier is a power amplifier specially designed for headphones, which can make the headphones reach the performance of its voice drive standard under full drive. Amplifiers not only increase output power, they are also commonly used for tuning. A separate amplifier can be connected to improve the sound quality and change the sound style.

Features:
[Low distortion rate]
No switching distortion, even without negative feedback. Its distortion is still low, so it is called the ideal audio amplifier circuit design. It provides very smooth sound quality. Sounds warm and transparent treble.
[JFET input]
Directly pointing to the full DC output low frequency of 0Hz, pure Class A amplifier, capacitor storage + filtering, which is equivalent to the large thrust of the machine.
[Clean battery]
The power amplifier uses two lithium-ion batteries, which have infinitely low internal resistance and ripple, and the noise is almost negligible.
[Material material]
The whole machine adopts a complex numerically controlled aluminum alloy structure. In order to ensure the perfect surface, the refining process after conventional surface treatment is added, and the whole machine looks more refined.
[Compatibility]
With 3.5mm headphone jack, it is widely applicable and easy to use.

Note: Only includes headphone amplifier, headphone and other equipment are not included

Specification:
Brand: XUELIN
Model: IHIFI100
Output interface: 3.5mm stereo headphone jack
Input interface: 3.5mm stereo headphone jack
Output power: high power mode: 2600mv, low power mode: 50mv
Battery life: about 10 hours (screen off) / 8.5 hours (screen on)
Charging time: 3 hours
Battery: 8.4V 1500mAh
Input level: 2000mv rms
Signal to noise ratio: 128db
Item Size: 12 * 6.3 * 1.4cm / 4.72 * 2.48 * 0.55in
Item Weight: 156g / 5.5oz
Package Size: 17.3 * 13.3 * 3.5cm / 6.81 * 5.24 * 1.38in
Package Weight: 303g / 10.69oz

Package List:
1 * Amplifier
1 * 3.5mm audio cable
1 * Charger
1 * Bag
1 * Manual (English)