Sony MDR-RF880RK MDRRF880RK 전단

Power ON indicator

Red LED

Mute function

Volume level decreases 

when RF signal is weak or 

not received

Headband

Mold band with self 

adjusting mechanism

Wearing style

Circum aural

Weight of headphones

Approx. 285 g. (incl. batt.)

Recharging time

Approx. 16 H (from 0 to full)

Supplied battery type / life

Ni-MH / 10H w/ Vibration 

OFF or 7H w/ Vib. ON 

(when fully charged)

Optional battery type / life

AAAx2 / 17H w/ Vib. OFF 

or 11H w/ Vib. ON

Battery note

Rechargeable battery can 

be replaced by normal AAA 

battery (x 2)

Transmitter / Charger
Charging stand type

Standing

Charging method

Charged by placing head-

phone on the transmitter

Audio input options

Stereo mini jack / RCA - jack

Battery charge indication

Green LED on lights up 

when the battery is charged

Red LED lights up on the 

headphones and transmitter 

when the power is ON

Power ON indicator

DC 9V from the supplied 

Power source

AC adaptor

Modulation

AFM transmission system

Signal range (reception area)

Up to 100 m

Available channels

3 (for optimum signal reception)

Channel selection method

Slide witch (CH1, CH2, CH3)

Transmitting frequency

Channel 1: 863.5 MHz, 

channel 2: 864.0 MHz, 

channel 3: 864.5 MHz

Transmitter frequency range

20-15.000 Hz

Transmitter power ON/OFF

Signal transmission starts 

when audio signal is detected

Dimensions (WxHxD) in mm

133x124x136

Weight of transmitter

Approx. 195 g.

Supplied accessories

AC power adaptor (9V)

Connecting cord (1m, 1 

stereo mini plug <-> 2 

phone plugs)

Package

Unimatch plug adaptor (stereo 

mini plug <-> stereo phone plug)

Rechargeable 

Battery(NiMH): 

BP-HP550(550mAh x 2)

Style

Box

Dimensions (WxHxD in cm)

21x30x15

Package per Carton

4