Cayin Spark C6 WM8741 DAC Portable Headphone Amplifier for Apple iPhone iPad iPod

C6 is a portable high-fidelity headphone amplifier. Connection with Apple iPhone / iPad / iPod touch, directly read its digital audio signal and analog audio signals decoded intoHD, melodious soundoutput from the headphone port. Most analog musical texturesusing Wolfson (WOLFSON)flagship DAC chipWM8741, high performance, easy to build highquality mobile music platform.


USBdigital audio input 
Support for Apple devices: iPhone5S/5C/5, iPhone4S / 4, iPhone 3G/3GS, 
iPad (4/3/2/1 generation), iPad mini, iPod touch 
D / A converter chip: WM8741 
Sampling frequency: 44.1/48kHz @ 16bit 
Analog audio input ≤ 1000mV

Headphone output

Maximum output power: 130mW +130 mW (32Ω load) 
Frequency response: 20Hz-20kHz (± 1dB) (AUDIO IN analog input) 
Total harmonic distortion: ≤ 0.05% (1kHz) 
SNR: ≥ 98dB (A-weighted) 
Lithium battery capacity: 2500mAh
Charging time: ≤ 4 hours (need power off) 
Life time: ≥ 8 hours (32Ω load) 
Charge limit voltage: 4.2V
Net Weight: 180g
Size: 60mm x 20mm x 130mm (W x H x L)