RADIUS / AL-LCH21K

It is a portable headphone amplifier.

Specifications
■Maximum Output: 50mW (16Ω, 10% distortion), 30mW (32Ω, 10% distortion)
■Frequency Response: 20-20,000Hz (0dB to -0.5dB)
■S/N Ratio: 97dB (JIS-A)
■THD+N: 0.07%
■Supported Bit Depth/Sampling Rate: Up to 16-bit/96kHz
■Input Terminal: Lightning Connector
■Output Terminal: φ3.5mm Stereo Mini Jack
■Weight: Approx. 12g
■Cable Length: Approx. 80mm
■Color: Black
■Compatible Models: iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone 5c, iPhone 5, iPad Air 2, iPad mini 3, iPad Air, iPad mini 2, iPad with Retina display, iPad mini, iPod touch (6th generation), iPod touch (5th generation), iPod nano (7th generation)