E6 offers an affordable and portable headphone amplifier solution. As compared with its older brother E5, it utilizes a different power circuit to offer true +/- power for the opamp and leads to higher power output, better signal to noise ratio, and lower distortion; three different types of built-in EQ options greatly improve sound quality; innovatively designed volume keys offer convenient volume control; smaller size, lighter weight as well as removable clip make it fit indoor and outdoor activities much better.

Output Power: 150mW (16Ω); 16mW (300Ω)
Headphone Impedance Range: 16 Ω ~ 300 Ω
SNR: ≥95dB (A weighted)
Distortion: <0.009% (10mW)
Frequency Range: 10Hz ~ 100kHz
Power Supply: Internal rechargeable Li-ion battery
Recharging: USB 5V DC 500mA
Size: 41mm x 40.2mm x 8mm
Weight: 16g

Shipping method:
To US, Canada and Russia: USPS
To any other countries: International Express mail (EMS, UPS, DHL or Fedex)

Warranty Policy:
30 days refund: shipping cost is not refundable.
1 year replacement.
The cost to ship a product back to us for repair, replacement, refund, exchange or upgrade is the responsibility of the consumer. The cost to return the product to the consumer is the responsibility of Head Direct/HiFiman