PS Audio

BHK Signature 250 Amplifier

$4,249 MSRP

MSRP

$4,249

Used market · Excellent

$3,200

-25% vs MSRP

as of Sep 24, 2026

Sell or trade this Add to my system

MSRP to used market

Price history will fill in as sales are recorded.

Specifications

2: Stable for musical transients
4: 500W minimum
8: 250W minimum
Gain: 30.5dB +/-0.5dB
Idle: 175 Watts
Noise: 100-20KHz <-85dBV
Other: DC Trigger Input 3.5mm 5-15VDC
Ready: 75 Watts
1khz 1w 8: <0.01%
1khz 200w 8: < 0.1% (120VAC Mains input)
1khz 400w 4: < 0.1% (120VAC Mains input)
Unit weight: 83 lbs [37.6 kg]
Audio inputs: RCA (Unbalanced) XLR (Balanced)
Output power: Both channels driven 120vac mains, 1kHz, 1% THD
20 20khz 1w 8: <0.1%
Color options: Black Silver
Rated power 4: 1600 Watts
Rated power 8: 850 Watts
Shipping weight: 92 lbs [41.7 kg]
Unit dimensions: 17.1” x 8.7” x 14” Chassis only. 15" deep including connectors.
Output impedance: 50Hz, 2.8VRMS <0.1Ω
Frequency response: @2.8VRMS 10Hz – 20KHz +/- 0.1dB 10Hz – 200KHz +0.1/-3.0dB
Mains power inputs: IEC C14
Shipping dimensions: 21”x 13” x 19”
Accessories included: US (NEMA 5-15P) (all versions) Schuko (CEE7/7) (230V version) UK (BS 1363) (230V version)
Fuse compliment mains: 100vac Countries 1 - 2 amp slow blow H-rated 5x20mm 1 - 12 amp slow blow H-rated 5x20mm 120vac Countries 1 - 2 amp slow blow H-rated 5x20mm 1 - 10 amp slow blow H-rated 5x20mm 230vac Countries 1 - 1.6 amp slow blow H-rated 5x20mm 1 - 5 amp slow blow H-rated 5x20mm
Fuse compliment all countries: 4 - 10 amp fast blow H-Rated 5x20mm Rail Fuses
Speaker outputs signature 250: Gold plated copper binding posts (2 pair per channel)
Speaker outputs signature 300: Gold plated copper binding posts (2 pair)
Voltage options factory set only: Japan 100V North America 120V Europe/Asia/Australia/New Zealand 230V
Input impedance signature 300 mono: Unbalanced 50KΩ Balanced 100KΩ
Input impedance signature 250 stereo: Unbalanced 100KΩ Balanced 200KΩ
Sensitivity for rated output power of 250 watts into 8: 1.3V