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Frequency Response 1 Hz to 80 kHz, -1 dB / 20Hz to 20 kHz, ±0.01 dB
Signal-to-Noise Ratio 105 dB - unweighted / 75 dB - A weighted
Finish Silver or Black with Custom Finishes Available Upon Request
Input Impedance 100 KΩ
Output Impedance 0.1Ω
Power 550 watts @ 8Ω 1,100 watts @ 4Ω 2,200 watts @ 2Ω
Distortion 550W @ 8Ω .015% @ 1 kHz
Inputs 1 balanced XLR
Dimensions 17.875 x 9.0 x 23.0 in / 45.4 x 23.0 x 58.4 cm
Weight 115 lb / 52.2 kg
Manual Progression M550_S350 USer Manual_0.pdf (5.43 MB)
Product Class Progression
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Free Delivery within Mainland UK.
30-Day Money-back Guarantee
Returns Policy
Dan D’Agostino - progression M550 Mono amplifier
The Progression M550 is a high-performance monoblock amplifier that delivers 550/1,100/2,220 watts into 8/4/2 ohms.
It features a new heat sink design that is drawn directly from the flagship Relentless Mono Amplifier.
The Progression M550 includes major revisions to the input topology, which has improved distortion, signal/noise ratio, channel separation, and bandwidth measurements.
New transistors handle six times the power of the previous components and a new DC coupling circuity has improved low-frequency performance and extended the bandwidth of the amplifiers.
The audio signal path throughout is discrete, balanced, and direct coupled.
Advanced protection techniques shield the amplifier and associated components from any unexpected anomaly.
The Progression M550 is a powerful and versatile amplifier that is capable of delivering stunning sound quality.
Key features of the D'Agostino Progression M550 Mono Amplifier:
High power output: The Progression M550 delivers 550/1,100/2,220 watts into 8/4/2 ohms, making it a powerful amplifier that can drive even the most demanding speakers.
Advanced circuitry: The Progression M550 features a number of advanced circuitries, including a new heat sink design, a new input topology, and a new DC coupling circuit. These circuitries help to improve the amplifier's performance in terms of distortion, signal/noise ratio, channel separation, and bandwidth.
Discrete, balanced, and direct coupled signal path: The Progression M550's audio signal path is discrete, balanced, and direct coupled. This helps to ensure that the signal is not degraded as it passes through the amplifier.
Advanced protection techniques: The Progression M550 features a number of advanced protection techniques, such as thermal overload protection and short circuit protection. These protection techniques help to protect the amplifier and associated components from damage.
