The dimensions of the Oppo HA 2 SE are a perfect match for just about any smartphone and it's internal rechargeable Li-Ion battery gets approximately 7 hours using the digital input and nearly 13 hours using the analog line input. There is a High/Low gain adjustment to allow use with even the most sensitive headphones up to more demanding full size high-impedance audiophile cans. A bass boost switch is a nice touch if you find need for a little more booty bump in the lower frequencies. Also featured is a quick battery indicator button to check the battery level at a glance; it also doubles as the status LED while charging.
If you are concerned about future Apple iOS products like the iPhone 7 smartphone dropping the headphone jack, worry yourself no more. The Oppo HA-2SE headphone and DAC unit is an easy no fuss, no muss solution since it will connect directly to the Apple lightning port. We think there's no need to hesitate picking up the Oppo HA-2 SE if you're looking to score the maximum acoustic performance from any player device and your great pair of headphones. Highly recommended by our staff here at headphone.com without reservation!
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