Topping NX4

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Portable Headphone Amplifier with built-in USB DAC

– SUPPORT APPLE/ANDROID DECODING: with the standard data cable, can be connected to Apple(100% compatible), Android mobile phone decoding, which is the best choice for playing HIFI with phones.
– USB SOUND CARD FOR PC: connected to the computer can be used as a high-performance USB sound card, the maximum support 192kHz / 32bit.
– 36 HOURS SUPER LONG BATTERY LIFE: fully charged in the pure amp mode can work 36H, USB decoding + amp mode can work for 12H.
– BOOST & GAIN SELECTION: with bass boost and gain selection function,more powerful and clear music output.
– ALL METAL SHELL: beautiful appearance; small size, easy to carry.all-metal shell,very hard,unbreakable

TOPPING NX4 is a high-performance HIFI portable USB decoding headphone amplifier. Built-in a high capacity rechargeable lithium battery for its easy to carry out and long life; Analog and Digital signal input choice. Output of 307mW * 2 , enough power to drive whatever headphones. (Lighting Port, Type-C Port, Micro Port…) No matter what kinds of playing devices (IOS/Android/PC/MP3) can find the right accessories to connect NX4, easy for you to listen to beautiful music. Moreover, NX4 can be connected to the computer through a USB cable as a high-performance external sound card, the maximum specifications to support 192kHz / 32bit.

NX4 Technical specifications:
Body Size: 11.0cm x 6.8cm x 1.4cm
Weight: 155g (with battery)
Color: Black
Signal input: 1 x 3.5 headphone port (analog signal), 1 x USB Micro (digital signal)
Lineout: 1 x 3.5 headphone jack
Headphone output: 1 x 3.5 headphone jack
Volume control: ALPS potentiometer
Bass boost: YES
Gain selection:YES
Battery capacity: 2400mAh
Battery time:>36H (amp mode), >12H (USB decoder with amp)
Charging time: <4H

Packing specification:
Size: 15.6 cm x 10.7 cm x 5.2 cm
Weight: 350g

Contents list:
1 x NX4 Black/Silver
1 x 3.5 to 3.5 audio cable
1 x Micro USB to Micro USB cable
1 x Micro USB to Type-C USB cable
1 x Micro USB to Lightning cable
2 x Rubber band
5 x Velcro
1 x Rubber pad
1 x User’s manual
1 x Warranty card