Topping NX4 DSD Digital HiFi Portable Headphone Amplifier – Black

Topping NX4DSD is a hi-fi system that fits in the pocket. Its compact aluminum body is packed with high-end components allowing you to enjoy high-resolution music on the go. With DAC chip and USB interface supporting PCM 32bit 384kHz DSD 512 Native files and headphone amplifier section generating up to 292mW for 32ohm headphones (114mW @ 300ohm) it is more than enough to allow a vast majority of headphones to perform to their full potential.

Specifications

• Housing: Aluminum
• Frequency response: 20Hz – 100kHz +/- 2dB
• Maximum output power: 293mW @ 32ohm, 114mW @ 300ohm
• Suitable headphone impedance: 16 – 300ohm
• THD+N: <0.0008% @ 1kHz
• SNR: 119dB @ 1kHz
• Input sensitivity: 1.8Vrms
• Noise: <2uV @ 32ohm
• Gain: 5.6dB
• Channel crosstalk: -96dB @ -1kHz
• Battery capacity: 2400mAh (4h charging time)
• Work time on a single charge: 28h (amp only), 7.5h (DAC mode)
• Charging port: MicroUSB
• Dimensions: 11 x 6.8 x 1.4cm
• Weight: 148g