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Sony MDR-RF985RK Wireless Radio Frequency Headphone System

B&H # SOMDRRF985RK Mfr # MDRRF985RK
In Stock
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You Pay: $78.00
Product Highlights
  • Wireless Range up to 150'
  • Built-In Rechargeable Battery
  • Up to 25 Hours of Battery Life
  • Transmits Over RF Signal
  • 40mm Drivers
  • Headphones Recharge on Transmitter Base
  • Adjustable Headband

The Sony MDR-RF985RK Wireless Radio Frequency Headphone System is designed to transmit analog audio sources wirelessly to its headphones with a range of operation of up to 150-feet. The headphones feature a built-in rechargeable battery that can provide playback for up to 25-hours per charge. They are charged by connecting to the transmitter base station, and produce a full charge in 3.5 hours. The headphones also feature 40mm drivers and an adjustable headband designed to provide comfort for long listening sessions.

The system's transmitter features a stereo pair of RCA inputs and a single 1/8" stereo mini-jack input. It broadcasts on an analog 900 MHz radio frequency and has three selectable channels.

Type Closed, Dynamic
Drivers 1.5" (40 mm )
Magnet Ferrite
Diaphragm PET
Frequency Response 10 Hz to 22 kHz
Radio Frequency Wireless Analog 900 MHz
Transmitter Channel 1: 915.5 MHz (selective, FM Stereo)
Channel 2: 916.0 MHz (selective, FM Stereo)
Channel 3: 916.5 MHz (selective, FM Stereo)
Tuning Manual tuning via switch on both base and headphones
Volume Control Rotary
Modes Mute: Operates when RF signal is weak or not received
Inputs Transmitter:
2x Analog RCA Phono
1x 1/8" (3.5 mm) Stereo Mini-Jack
Battery Battery Type: Rechargeable Lithium-Ion
Battery Charging: 3.5 Hours (Approximate)
Battery Life: 25 Hours (Approximate)
Power Supply Transmitter: 12 V, 200 mA AC Adapter
Power Requirements DC 12 V
Output Power 5 mW + 5 mW
Cable Length 3.2' (1 m) (Approximate)
Dimensions Transmitter: 8.5 x 4.1 x 3.7" (21.6 x 10.5 x 9.6 cm) (Approximate)
Weight Headphones: 10.59 oz (300.00 g) (Approximate)
Transmitter: 7.7 oz (220 g) (Approximate)
Sony MDR-RF985RK Wireless Radio Frequency Headphone System
  • Transmitter Station
  • AC Adapter
  • 1m Stereo Cable
  • Limited 90-Day Warranty
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