Woo Audio WA7tp Tube Power Supply Color:black The headphones offer 15 hours

The headphones offer 15 hours of continuous music playback on a full charge

and rear – responsible for bass

Whether in intense action scenes or subtle environmental effects

lightweight and keeps your headphones out of the way

All current and future Bluetooth® audio formats are supported

Woo Audio WA7tp Tube Power Supply Color:black The headphones offer 15 hoursPower supply upgrade [requires WA7 or WA7d] Vacuum tube power supply upgrade for WA7 Fireflies owners. Does not function on its own. Replaces the linear solid state power supply that ships with WA7 Fireflies and WA7d Fireflies Duo. Compatibility 1st gen WA7 Fireflies 2nd gen WA7 Fireflies WA7D Fireflies Duo Highlights Requires WA7 Fireflies or WA7D Fireflies Duo 1ft. DC cord supplied 12AU7 tube x 2 Anodized aluminum chassis, available in black or