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- Is this compatible with my current system?
- Will this work with my TV, speakers, or setup?
- Is this the right model for what I’m trying to do?
- Monoblock
- Power Amplifier
- Class A B Amplifier
- Banana Connector
- Micro -HDMI / Type D
- Spade Connector
PS Audio PMG Signature M400 Monoblock Power Amplifiers Pair BLACK
The PS Audio PMG Signature M400 is a high-performance monoblock power amplifier designed for reference two-channel audio systems. Sold as a matched pair, the M400 delivers 200 watts into 8 ohms and doubles its output to 400 watts into 4 ohms.
Each amplifier features 30 watts of Class A bias, allowing a significant portion of typical listening to remain within its most linear operating region. The amplifier uses a low-feedback topology combined with an active power supply designed to deliver current quickly as musical demands change.
With bandwidth extending beyond 500 kHz and a slew rate exceeding 200 volts per microsecond, the M400 is engineered for fast transient response and consistent performance across the audible frequency range. Each amplifier is hand built in Boulder, Colorado.
Features
- Sold as a matched pair of monoblock power amplifiers
- 200 watts output into 8 ohms
- 400 watts output into 4 ohms
- 30-watt Class A bias per amplifier
- Slew rate greater than 200 V/µs
- Bandwidth exceeding 500 kHz
- Low-feedback amplifier architecture
- State-of-the-art active power supply
- Designed by Darren Myers
- Engineered by Bob Stadtherr
- Hand built in Boulder, Colorado
- Black finish
Specifications
Amplifier
- Configuration: Monoblock power amplifier
- Quantity: Pair
- Output power: 200 watts into 8 ohms
- Output power: 400 watts into 4 ohms
- Class A bias: 30 watts
- Slew rate: Greater than 200 V/µs
- Bandwidth: Greater than 500 kHz
Dimensions & Weight
- Unit dimensions (L x W x H): 16 x 17.5 x 8 inches (40.6 x 44.5 x 20.3 cm)
- Dimensions with feet and binding posts (L x W x H): 16.75 x 17.5 x 8.75 inches (42.5 x 44.5 x 22.2 cm)
- Unit weight: 55.8 lb (25.3 kg) each
- Total net weight per pair: 111.6 lb (50.6 kg)
- Finish: BLACK
What’s in the Box
- PS Audio PMG Signature M400 monoblock power amplifiers, pair
Product Details
- PS Audio PMG M400 - B
-
Brand New : Factory Sealed
- EFLC : 17166
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Warranty
Three Year Warranty
- Parts and Labour Warranty
- Canada-wide Coverage
- PS Audio Authorized
Returns
Easy Returns
- 30-day return window on eligible items
- Full refund issued in accordance with our return policy
About PS Audio
PS Audio is a respected American high-end audio brand known for premium DACs, amplifiers, power regenerators, and audiophile components designed to deliver exceptional musical detail and system performance. With a strong focus on clean power, advanced digital audio technology, and precision engineering, PS Audio products are trusted by serious music enthusiasts seeking a refined and immersive listening experience.
Electronics For Less Canada has proudly carried PS Audio products for many years. We offer a selection of new and open-box PS Audio products, all clearly marked and carefully inspected, allowing customers to shop confidently while enjoying premium high-fidelity audio performance and outstanding long-term value.
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