Sony HT-ST3 Reference Manual page 14

Center speaker: 25 W × 2 (per channel at 3 ohm, 1 kHz)
Subwoofer: 75 W × 2 (per channel at 4 ohm, 100 Hz)
Inputs
HDMI IN 1/2/3*
DIGITAL IN TV/OPT
ANALOG IN
* These 3 jacks are identical. Using any of them makes no difference.
Output
HDMI OUT ARC(TV)
Speaker section
Speaker system
Subwoofer, Bass Reflex
Speaker
100 mm × 150 mm cone type × 2
Rated impedance
4 ohms
BLUETOOTH section
Communication system
BLUETOOTH Specification version 3.0
Output
BLUETOOTH Specification Power Class 2
Maximum communication range
Line of sight approx. 10 m 1)
Maximum number of devices to be registered
9 devices
Frequency band
2.4 GHz band (2.4000 GHz - 2.4835 GHz)
Modulation method
FHSS (Freq Hopping Spread Spectrum)
Compatible BLUETOOTH profiles
A2DP (Advanced Audio Distribution Profile)
AVRCP 1.3 (Audio Video Remote Control Profile)
Supported Codecs 3)
4) 5)
SBC , AAC , aptX
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.
14
GB
2)
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
General
Power requirements
220 V - 240 V AC, 50 Hz/60 Hz
Power consumption
On: 40 W
At Standby mode "Control for HDMI" is off and BLUETOOTH Standby
mode is off : 0.5 W or less
Dimensions (approx.)
430 mm × 135 mm × 370.5 mm (w/h/d)
Mass (approx.)
8.2 kg
Digital audio input formats supported by the system
Dolby Digital DTS-HD High Resolution Audio*
Dolby TrueHD* DTS-HD Low Bit Rate*
DTS Linear PCM 2ch 48 kHz or less
DTS 96/24 Linear PCM Maximum 7.1ch 192 kHz or less*
DTS-HD Master Audio*
* It is possible to input these formats only with HDMI connection.