Japanese multi-function wall listening

F999R is a super high sensitivity Secrets in the Walls, metal color appearance of the receiver and Super sound-absorbing ability of the metal receiver, high-quality headphones perfect composition, making it high sensitivity, good effect, sound quality, simple operation, easy to carry. Size: Amplifier 64 × 22 × 98(mm)/Microphone ?36 × 30(mm) ; Weight: Amplifier 284g/microphone 119G; Power Supply: 6V Battery × 1, F battery supply or stable power supply directly, external power input 6VDC; Sound filter: 4 Band Optional: “0”= straight “1”= low-frequency pass, “2”= high-frequency pass, “3”= low-frequency pass, “3”= human voice pass through the sound limiter: automatically cuts off large noise that suddenly increases, iNPUT & Output: Microphone Input ?3.5 mm Mono Mini Jack; headset output: ?3.5 mm Stereo Mini Jack; Accessories: Wall Listening Protection Panel, Microphone Extension Cord, Stereo headset.

Colors and styles can be customized