15N2
Simple compact design but practical and powerful. The all-aluminum silver body has been carefully designed and CNC processed to make it compact and classic.
High precision volume knob makes it easy to use. Features a switch for adjusting gain as well as another switch to fine-tune bass levels. Meets the needs of bass lovers.
Low-pass filter duties on the line-output are handled by the OPA1642 chip. High fidelity stereo headphone amplifier and 3.5mm input/output jack, stream Hi-Fi music to your stereo system.
High-performance headphone drive and circuit protection. 2200mAH internal battery powers for up to 12 hours of use. Load Impedance: 16-600Ω. Output remarkable sound without distortion.
Specifications:
Power supply: DC 5V 1A
Internal voltage：±9.5V
Magnification (Av): GAIN=L:3 GAIN=H:6.8
Low-frequency gain（BASS=ON）: +6dB
Frequency response: 10Hz-25KHz
SNR: ＞100dB
THD+N: 0.005%
Headphone output impedance: 16Ohm-600Ohm
Headphone output power: 16Ohm/330mW 32Ohm/320mW 64Ohm/298mW 300Ohm/100mW
Package Include:
N2 Headphone amplifier x1
User Manual x1
Type-C power cable x1
3.5mm to 3.5mm cable x1
i personally dont see the point in these
its just a 3.5 analog signal booster
firstly we're in the age of BT and two sets of wires to a box in the middle seems pointless
i have this:
https://fosiaudio.com/collections/digital-to-analog-converte…
and its an ok dac for the price i paid ages ago ($50?) but its a baseline kind of dac and of course anything remotely more expensive is better