Michi P430 Stereo Preamplifier
Precision Control with High-Resolution Digital and Analog Connectivity
The Michi P430 is a premium stereo preamplifier designed to serve as the precision control center for advanced two-channel audio systems. Combining a transparent signal path, ultra-low-noise architecture, balanced circuitry, and isolated power regulation, the P430 is engineered to preserve the resolution, dynamics, and soundstage precision of every connected source. The P430 provides comprehensive analog and digital connectivity, including balanced XLR and unbalanced RCA inputs and outputs, a Moving Magnet phono input, coaxial and optical digital inputs, HDMI ARC for TV audio, PC-USB computer audio, and Bluetooth with aptX HD and AAC support. An ESS SABRE ES9028PRO 8-channel DAC with advanced clocking and jitter control handles digital-to-analog conversion, supporting PCM up to 32-bit/384kHz and DSD256. A dedicated headphone output, dual subwoofer outputs, and coaxial and optical digital outputs further expand system flexibility. The P430 also features tone controls, network connectivity, RS232 control, 12V trigger connections, and a refined front-panel display, making it suitable for both dedicated listening rooms and premium living-room systems.
Feature Highlights
- ESS SABRE ES9028PRO DAC
Features a premium 8-channel ESS SABRE ES9028PRO DAC with advanced clocking and jitter control for accurate, high-resolution digital-to-analog conversion.
- Balanced Signal Architecture
A balanced signal path with isolated power regulation and optimized grounding is designed to maintain a low noise floor, stable imaging, and precise soundstage reproduction.
- High-Resolution PC-USB Audio
Supports PCM audio up to 32-bit/384kHz, DSD256 up to 11.2MHz, and DoP up to 5.6MHz through the PC-USB input.
- HDMI ARC with CEC
Provides convenient connection to compatible TVs with HDMI ARC and CEC control, supporting 2-channel PCM audio up to 24-bit/48kHz.
- Bluetooth aptX HD & AAC
Enables high-quality wireless music streaming from compatible Bluetooth devices using aptX HD and AAC codecs.
- Moving Magnet Phono Stage
Dedicated MM phono circuitry provides direct connection for compatible turntables with a 47kΩ input impedance.
- Balanced XLR Inputs & Outputs
Balanced XLR connectivity provides high-quality integration with compatible source components and power amplifiers.
- Dual Subwoofer Outputs
Two subwoofer outputs provide flexible low-frequency integration for systems using one or two powered subwoofers.
- Dedicated Headphone Output
A 6.35mm (1/4-inch) headphone output supports convenient private listening directly from the preamplifier.
- Coaxial & Optical Digital Outputs
Digital outputs provide additional connectivity to external digital processors and DAC-based system configurations.
- Adjustable Bass & Treble Controls
Independent tone controls provide ±10dB adjustment at 100Hz for bass and 10kHz for treble.
- Roon Tested
Certified Roon Tested for reliable integration with the Roon music platform.
- System Integration & Control
Network, RS232, 12V trigger, and external IR connections provide flexible integration with advanced audio and home automation systems.
- Premium Michi Construction
The precision-machined aluminum chassis and refined front-panel design complement the visual language of the Michi Prestige series.
Technical Specifications
Analog Performance
- Total Harmonic Distortion (THD): <0.002%
- Intermodulation Distortion: <0.002% (60Hz:7kHz, 4:1)
- Frequency Response, RCA: 10Hz–100kHz (0 ±0.3dB)
- Frequency Response, XLR: 10Hz–100kHz (0 ±0.3dB)
- Frequency Response, Phono: 20Hz–20kHz (0 ±0.3dB)
- Signal-to-Noise Ratio, RCA: 110dB
- Signal-to-Noise Ratio, XLR: 106dB
- Signal-to-Noise Ratio, Phono: 82dB
Analog Inputs
- Line Level Input (RCA): 160mV / 33kΩ
- Balanced Input (XLR): 320mV / 55kΩ
- Phono Input: Moving Magnet (MM), 2.5mV / 47kΩ
- Input Overload, RCA: 4.1V
- Input Overload, XLR: 12V
- Input Overload, Phono: 69mV
Analog Outputs
- Line Level Output (RCA): 1V / 100Ω
- Balanced Output (XLR): 2V / 200Ω
- Mono Subwoofer Output: 2
- Headphone Output: 6.35mm (1/4-inch)
- Line Output: 1
Digital Section
- Digital-to-Analog Converter: ESS ES9028PRO 8-Channel DAC
- Coaxial / Optical Digital Input: SPDIF LPCM up to 24-bit/192kHz
- PC-USB: USB Audio Class 2.0
- PC-USB PCM: Up to 32-bit/384kHz
- DSD: Up to DSD256 / 11.2MHz
- DoP: Up to DSD128 / 5.6MHz
- Digital Input Signal-to-Noise Ratio: 103dB
- Digital Input Impedance: 75Ω
- Digital Output: Coaxial and Optical
- Roon Tested: Yes
HDMI ARC
- CEC Support: Yes
- Audio Format: 2-channel PCM
- Maximum Resolution: 24-bit/48kHz
Bluetooth
- Bluetooth Codecs: aptX HD and AAC
- Wireless Streaming: Supported
Tone Controls
- Bass: ±10dB at 100Hz
- Treble: ±10dB at 10kHz
Control & Connectivity
- Network Connection: 1
- RS232: 1
- 12V Trigger: Input / Output
- External IR Remote Input: 1
- Rear USB: Software updates
- Remote Control: Included
General
- Power Requirements: 230V, 50Hz
- Power Consumption: 45W
- Standby Power Consumption: <0.5W
- Network Wakeup: <2W
- BTU Rating: 98 BTU/h
- Dimensions (W × H × D): 431 × 148 × 404mm
- Front Panel Height: 131mm
- Net Weight: 10.8kg
- Finish: Black