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SoundTouch™ SA-4 Amplifier
Features
•Bose® proprietary digital signal processing technology
•Built-in digital volume control
•Thermal overload protection
Dimensions and Weight
•14¼ in. wide x 5½ in. deep x 4¼ in. high (36.2 cm x 14.0 cm x 10.8 cm)
•11.0 lb (5 kg)
Power rating
•USA/Canada: 120V 60 Hz, 400W
•Inter national: 220-240V 50/60 Hz, 400W
Input sensitivity
0.5 Vrms @ 1 kHz
Signal to Noise ratio (S/N)
90 dB
Output power (continuous average)
100W / channel minimum into 6 ohms, from 30 to 15 kHz,
with no more than 0.5% THD.
Temperature range
32° F to 104° F (0° C to 40° C)
Speaker cable recommendations
Maximum Length Gauge
30 ft (9 m) 18 (0.82 mm2)
45 ft (14 m) 16 (1.3 mm2)
70 ft (21 m) 14 (2.0 mm2)

Technical Information