Stereo Amplifier
S430
Bring your loudspeakers to life with greater authority, control, and scale.The Michi Prestige S430 Stereo Power Amplifier delivers powerful Class AB performance, high-current drive, and precision engineering for accurate musical reproduction.
2 x 230 Watts of
robust power, 4 ohms
Oversized
custom-engineered,
in-house manufactured
toroidal transformer
High-efficiency bulk
storage capacitors
Balanced XLR inputs
Includes remote control
Engineered with care.

Dimensions (W × H × D)
431 × 148 × 405 mm
17" ×5 5 /6" × 16"
17" ×5 5 /6" × 16"
Front Panel Height
131 mm (5 1/6")
Power Requirements
120 V, 60 Hz
Power Consumption
550 W
Standby Power Consumption
< 0.5 W
Net Weight
17.5 kg (38.6 lbs.)
BTU Rating (4 Ω, 1/8th power)
1513 BTU/h
Power Output (FTC)
250 W/Ch (8 Ω)
Continuous Power Output
(Non FTC)
230 W/Ch (8 Ω)
Maximum Power Output
(Non FTC)
390 W/Ch (4 Ω)
Total Harmonic Distortion (THD)
< 0.03 %
Frequency Response
10 Hz - 100 kHz (0±0.4 dB)
S/N Ratio (IHF "A" Weighted)
> 115 dB
Product Description
The Michi Prestige S430 Stereo Power Amplifier delivers authority, composure, and musical realism. Rated at 390 watts per channel into 4 ohms (230 watts into 8 ohms), the S430 provides the dynamic headroom needed to reveal greater scale and impact from high-performance loudspeakers.
An oversized, in-house-manufactured toroidal transformer and large reservoir capacitor bank support stable current delivery for dynamic bass impact to demanding speaker loads. Balanced XLR and RCA inputs and dual 5-way speaker binding posts allow the S430 to integrate easily into performance audio systems.
The S430’s elegant aluminum chassis and front-panel display with selectable meter views deliver a refined visual presence, reinforcing the amplifier’s role as the centerpiece of the listening experience.
More Specifications
Intermodulation Distortion (60 Hz:7 kHz, 4:1)
< 0.03 %
Damping Factor (1 kHz, 8 ohms)
350
Speaker Impedance
4 ohms minimum
Gain
Unbalanced: 26.5 dB
Balanced: 20.5 dB
Input Sensitivity / Impedance
Unbalanced: 2 V / 12 kohms
Balanced: 4 V/ 200 kohms
Crosstalk/Separation
> 70 dB




