Sony HT-ST7 Reference Manual page 15

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 devices, magnetic fields around a microwave oven, static
electricity, cordless phone, reception sensitivity, 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
Front L/Front R speaker blocks
Speaker system
2-way speaker system, Acoustic suspension
Speaker
Woofer: 65 mm cone type, Magnetic fluid speaker
Tweeter; 20 mm dome type
Rated impedance
4 ohms
Center speaker block
Speaker system
Full range speaker system, Acoustic suspension
Speaker (5 speakers)
65 mm cone type, Magnetic fluid speaker
Rated impedance
4 ohms
General
Power requirements
220 V - 240 V AC, 50 Hz/60 Hz
Power consumption
On: 55 W
"Control for HDMI" is off (Standby mode): 0.5 W or less
BLUETOOTH Standby mode: 0.5 W or less
Dimensions (approx.) (w/h/d)
1,080 mm × 109 mm × 110 mm (without grille frame, without stands)
1,080 mm × 109 mm × 129 mm (with grille frame, without stands)
1,080 mm × 129 mm × 138 mm (with grille frame, with stands)
1,080 mm × 129 mm × 130 mm (without grille frame, with stands)
Mass (approx.)
7.9 kg (with grille frame, with stands)
Subwoofer (SA-WST7)
POWER OUTPUT (reference)
100 W (per channel at 4 ohms, 100 Hz)
Speaker system
Subwoofer, Passive radiator type
Speaker
180 mm cone type
200 mm × 300 mm cone type, Passive radiator
Rated impedance
4 ohms
Power requirements
220 V - 240 V AC, 50 Hz/60 Hz
Power consumption
On: 30 W
Standby mode: 0.5 W or less
Dimensions (approx.)
241 mm × 391 mm × 411 mm (w/h/d)
Mass (approx.)
11.2 kg
Wireless transceiver (EZW-RT50)
Communication System
Wireless Sound Specification version 1.0
Frequency band
5.725 GHz - 5.875 GHz
Power requirements
DC 3.3 V, 300 mA
Modulation method
DSSS
Dimensions (approx.)
30 mm × 9 mm × 60 mm (w/h/d)
Mass (approx.)
10 g
continued
15
GB