ST500 vs mAMP
The mAMP's power @ 8ω is 250W against the ST500's 460W, its signal-to-noise 111 dB against 108 dB, its power @ 4ω 430W against 725W, and its thd 0.002% against 0.001%.
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$600
Around — community and catalog average, updates slowly
About the ST500
The Wyred 4 Sound ST-500 is a dual-mono, fully balanced stereo power amplifier designed for audiophiles seeking high power, low distortion, and a neutral, detailed sound. It uses the latest ICEpower® ASX2 modules, offering up to 460 watts per channel into 8 ohms and 775 watts per channel into 4 ohms. The amplifier features a differential, fully balanced input stage, thermal and over-current protection, and a sound-optimized soft clip circuit. Its construction is robust, with a machined and anodized aluminum front panel, and it includes both balanced (XLR) and unbalanced (RCA) inputs. The ST-500 is known for its extremely low noise floor, high damping factor, and ability to drive a wide range of speakers with authority and control. It is also energy efficient, with low idle power consumption, and is backed by a 5-year warranty.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 460W @ 8Ω
- Power @ 4Ω
- 725W @ 4Ω
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 1.8V RMS
- Input Impedance
- 92000Ω
Analog Output
Analog signal output specifications
- THD
- 0.001%
- SNR
- 108 dB
- Output Impedance
- 0.021Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 349.25 × 117.48 × 400.05 mm (W × H × D)
Key Specifications
Power: 460W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions