PS Audio PMG Signature
Series S400 And S200 Stereo Power Amplifiers
PS Audio launches PMG Signature S400 and S200 amps
PS Audio’s PMG Signature S400 and S200 are stereo power amplifiers in the company’s PMG Signature amplifier family. The S400 is rated at 200W/ch into 8 ohms, while the S200 is rated at 100W/ch into 8 ohms. United States pricing is $9,999 for the S400 and $7,999 for the S200.
Georg S. Kuklick
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PS Audio has launched the PMG Signature S400 and S200 stereo power amplifiers. The S400 is priced at $9,999 in the United States, and the S200 is priced at $7,999. The two models were introduced on 24 July 2026.
The S400 is specified at 200W/ch into 8 ohms. The S200 is specified at 100W/ch into 8 ohms. Both amplifiers use PS Audio’s active power supply architecture.
The S400 provides 5W/ch of Class A bias, and the S200 provides 10W/ch of Class A bias. Both models have bandwidth exceeding 500kHz and slew rates greater than 200V/µS. Each amplifier provides one pair of RCA inputs and one pair of XLR inputs.
The S200 is the entry stereo amplifier in PS Audio’s PMG Signature amplifier lineup. The S400 sits above the S200 in the same lineup. Both models are available in silver and black finishes, and both were shipping by 27 July 2026.
Key specifications
PMG Signature S400 price | $9,999.00 |
|---|---|
PMG Signature S200 price | $7,999.00 |
PMG Signature S400 power output | 200W/ch into 8Ω, 400W/ch into 4Ω (1kHz, <1% THD) |
PMG Signature S200 power output | 100W/ch into 8Ω, 200W/ch into 4Ω (1kHz, <1% THD) |
PMG Signature S400 Class A power output | 5W/ch into 8Ω |
PMG Signature S200 Class A power output | 10W/ch into 8Ω |
PMG Signature S400 unit dimensions | 16 in L × 17.5 in W × 8 in H; with feet and binding posts: 16.75 in L × 17.5 in W × 8.75 in H |
PMG Signature S200 unit dimensions | 16 in L × 17.5 in W × 8 in H; with feet and binding posts: 16.75 in L × 17.5 in W × 8.75 in H |
PMG Signature S400 unit weight | 57.2 lbs / 25.9 kg |
PMG Signature S200 unit weight | 56.2 lbs / 25.5 kg |
PMG Signature S400 audio inputs | RCA single-ended: 1 pair; XLR balanced: 1 pair |
PMG Signature S200 audio inputs | RCA single-ended: 1 pair; XLR balanced: 1 pair |
Rung above: PS Audio PMG M400 Monoblock — $17,998 per pair
Rung below: PS Audio Stellar M1200 Amplifier Pair — $6,998 per pair
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