Sony SRS-RA3000 Reference Guide - Page 6

Specifications Amplifier section POWER OUTPUT AND TOTAL HARMONIC DISTORTION (USA models only): Full-range speaker With 4 ohm load driven, from 30 Hz - 15,000 Hz, rated 2 W minimum RMS power, with no more than 1.0% total harmonic distortion from 250 mW to rated output. Speaker section Speaker system Passive Radiator system Speaker diameter (approx.) Tweeter: 17 mm (11/16 in) × 2 Full-range speaker: 80 mm (3 1/4 in) × 1 Input Analog In Wi-Fi section Compatible standards IEEE802.11 a/b/g/n Radio frequency 2.4/5 GHz band BLUETOOTH® section Communication system BLUETOOTH Specification version 4.2 Output BLUETOOTH Specification Power Class 1 Maximum communication range Line of sight approx. 30 m (98 ft)*1 Frequency band 2.4 GHz band (2.4000 GHz - 2.4835 GHz) Modulation method FHSS Compatible BLUETOOTH profiles*2 A2DP (Advanced Audio Distribution Profile) AVRCP (Audio Video Remote Control Profile) Supported Codec*3 SBC*4, AAC*5 Transmission range (A2DP) 20 Hz - 20,000 Hz (Sampling frequency 44.1 kHz) *1 The actual range will vary depending on factors such as obstacles between the product and the device, magnetic fields around a microwave oven, static electricity, reception sensitivity, antenna's performance, operating system, software application, etc. *2 BLUETOOTH standard profiles indicate the purpose of BLUETOOTH communication between devices. *3 Codec: Audio signal compression and conversion format *4 Subband Codec *5 Advanced Audio Coding 6US