Rotel Michi Prestige S430 Stereo Power Amplifier

The Michi Prestige S430 is a two-channel Class AB power amplifier rated at 230 watts per channel into 8 ohms and 390 watts per channel into 4 ohms. Power is supplied by an oversized, in-house manufactured toroidal transformer feeding a large bulk storage capacitor bank, an arrangement that holds the rails steady when the music demands sustained current rather than brief peaks.

A damping factor of 350 at 1 kHz into 8 ohms indicates tight control over woofer motion, which is heard as defined rather than loose bass. Balanced XLR and unbalanced RCA inputs are provided, along with dual 5-way binding posts per channel for bi-wiring. The aluminium chassis carries a front-panel display with selectable meter views to match the rest of the Michi Prestige range.

Key Features

• 390 watts per channel Class AB into 4 ohms
• Oversized in-house manufactured toroidal transformer
• High-efficiency bulk storage capacitor bank
• Damping factor of 350 for firm bass control
• Balanced XLR and unbalanced RCA inputs
• Dual 5-way speaker binding posts for bi-wiring
• Front-panel display with selectable meter views
• Signal to noise ratio above 115 dB
• Stable into loads down to 4 ohms
• Supplied with a dedicated remote control

Warranty

This product comes with a 2-year manufacturer warranty.

Why Consider the Michi Prestige S430

A dedicated power amplifier is the usual next step once a system outgrows an integrated. The S430 gives the output stage an entire chassis, its own transformer and unshared supply rails, and no preamplifier circuitry alongside it. The practical benefit shows up on loudspeakers that dip toward 4 ohms in the bass, where the 390 watt rating and 350 damping factor keep the low end controlled at levels that would compress a lesser amplifier.

Ideal For

• Pairing with the Michi Prestige P430 preamplifier
• Large rooms and demanding 4-ohm floorstanding loudspeakers
• Systems upgrading from an integrated amplifier to separates
• Bi-wired loudspeaker installations using dual binding posts

What's in the Box

• Michi Prestige S430 Stereo Power Amplifier
• Remote control
• Power cable
• Owner's manual

Technical Specifications