Sony MDR-RF4000K Specification Guide

1. Actual battery life may vary based on product settings, usage patterns and environmental conditions.

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Non-metric weights and measures are approximate and may vary.

Updated: June 28, 2011

Battery Type

AAA Ni-MH x 2

Input Power

AC Power Adaptor (5.2V, 800mA)

Input Voltage

DC 5.2 V (from supplied AC power adaptor)

Power Requirements

Rechargeable nickel-metal hydride battery (supplied) or commercially available (size AAA) alkaline batteries

Weights and Measurements
Cord Length (Approx.)

39 3/8 in. (1.0 m) Stereo connecting cable

Dimensions (Approx.)

Transmitter: 9 1/4 x 3 x 4 3/4 in. (246 x 75 x 120 mm)

Weight (Approx.)

Approximately 15.2 oz. (430 grams) Including suppliied battery

Accessories

Supplied Accessories

AC power adaptor (5.2 V) (1)
Rechargeable nickel-metal hydride battery
BP-HP550-11 (550 mAh) (1)
Connecting cable (stereo mini plug - pin plug
× 2), 1 m (39 3/8 in) (1)
Unimatch plug adaptor (stereo mini jack - stereo phone plug) (1)
Stand (1)
Card warranty (1)
Operating Instructions (this manual) (1)

Optional Accessories

Optical digital connecting cable POC-15AB
(1.5 m, 59 1/8 in) (mini-plug - rectangular plug)