PS Audio S300 Amplifier
Image source — © PS Audio
Model name
S300 Amplifier
Input sensitivity (mV)
1010
Input impedance (balanced) (Ω)
100 000
Input impedance (single-ended) (Ω)
50 000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
140
Output power (4Ω) (W)
300
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
10
Frequency response high +/- 3dB (Hz)
50 000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
< 0.05
Max power consumption (W)
N/A
Damping factor
>1100
Dimensions (mm)
432 × 76 × 305
Weight (kg)
5.9
Official link
The Signature 250 stereo power amplifier outputs 250 watts/channel at 8 ohms, 500 watts/channel at 4 ohms and works stably with a load of 2 ohms, providing sufficient power even for the most demanding and capricious speaker systems.