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Experience an extensive range of guitar and bass tones with the Yuimer MK20Y Special Edition, a white-finished multi-effects floor processor combining ANN (Audio Neural Net) amp modelling, comprehensive effects processing and versatile recording connectivity. This special edition shares the same specifications and functionality as the M-VAVE MK-20, distinguished by its white finish and Yuimer branding.

Designed for practice, performance, songwriting and studio recording, the MK20Y brings together 120 preamp models, over 320 effect types and 100 cabinet models in a compact, rechargeable unit. Its ANN modelling technology recreates the response and feel of traditional tube amplifiers, while its extensive effects library supports a wide variety of tonal styles across electric guitar, bass and acoustic guitar.

Features

120 ANN Amp Models: 85 electric guitar, 30 bass and 5 acoustic guitar preamp models.
320+ Effect Types: Ten editable modules provide a wide range of effects, including distortion, modulation, delay, reverb, EQ and more.
100 Cabinet Models: Multiple guitar, bass and acoustic cabinet simulations, with compatible third-party IR import support.
150 Preset Slots: Store and customise tones, with 75 factory presets and additional editable preset positions.
Integrated Expression Pedal: Supports volume, wah and other assignable effect parameters.
Looper & Drum Machine: Built-in 20-second looper and 128 rhythm variations for practice and creative development.
Wireless Connectivity: Bluetooth audio playback, BLE MIDI and app-based data transfer.
USB-C Recording Features: USB audio interface functionality, USB MIDI, OTG recording, loopback and re-amping support.
Performance Control: Three customisable footswitches, tap tempo, preset-list mode and six snapshot slots.
Rechargeable Battery: Approximately eight hours or more of operation from the built-in 3000mAh battery.
Special Edition Appearance: White finish with Yuimer branding.

Extensive Sound-Shaping Options

The Yuimer MK20Y offers a broad selection of amp models, cabinet simulations and effects for creating clean, dynamic sounds, expressive overdrive, high-gain distortion and atmospheric textures. Its ten editable effect modules can be arranged in a customised signal chain, making it suitable for a wide range of instruments and musical styles.

A 2.4-inch LCD screen, three footswitches and an integrated expression pedal provide flexible control over presets and sound parameters. The six-slot snapshot system offers additional options for storing independent configurations, while the built-in drum machine and looper support practice and musical idea development.

Modern Recording & Connectivity

The MK20Y supports USB-C audio and MIDI, compatible OTG recording, loopback and re-amping. It can serve as a computer audio interface and integrate with compatible recording software, while supported mobile recording setups provide additional flexibility.

Bluetooth audio enables wireless accompaniment playback, with BLE MIDI and compatible editor applications extending its connectivity. Companion software for Windows, macOS, iOS and Android supports tone management, preset sharing, firmware updates and compatible amp and cabinet file imports.

Finished in white and carrying Yuimer branding, the MK20Y Special Edition offers the same comprehensive tonal features and technical capabilities as the black M-VAVE MK-20, with a distinctive alternative appearance.

Specifications

Brand: Yuimer (M-VAVE)
Model: MK20Y
Product Type: Guitar and bass amp modeller and multi-effects floor processor
Colour: White
Modelling Technology: ANN (Audio Neural Net)
Preamp Models: 120 total

85 electric guitar
30 bass
5 acoustic guitar

Effect Modules: 10 editable modules
Effect Types: 320+
Distortion Effects: 40 overdrive, distortion and fuzz types
Cabinet Models: 100 total

65 electric guitar
25 bass
10 acoustic guitar

Cabinet IR Import: Supported; third-party mono WAV files at 48kHz/24-bit with 1024- or 2048-sample lengths
Preset Memory: 150 slots, including 75 factory presets
Snapshot Mode: 6 dedicated snapshot slots
Display: 2.4-inch LCD
Built-In Expression Pedal: 1
External Expression Pedal Input: 1
Footswitches: 3, with customisable functions
Looper: Up to 20 seconds, mono
Drum Machine: 128 rhythm variations
Tuner: Built-in
Global EQ: Supported
Wireless Connectivity: Bluetooth audio, BLE MIDI and app data transfer
USB Port: USB 2.0 Type-C
USB Functions: USB audio interface, USB MIDI, loopback, re-amping, OTG recording, software connection, firmware updates and compatible file transfers
MIDI Input: 1 × 3.5mm (1/8") TRS MIDI
Instrument Input: 1 × 6.35mm (1/4") unbalanced TS
Main Outputs: 6.35mm (1/4") TS unbalanced stereo output
Headphone Output: 1 × 3.5mm (1/8") stereo TRS
Audio Resolution: 24-bit
Sample Rate: 44.1kHz (manufacturer technical specification)
Dynamic Range: 117dB
Battery Type: Built-in rechargeable lithium battery
Battery Capacity: 3000mAh
Nominal Battery Voltage: 3.7V
Approximate Battery Life: 8 hours or more
Charging Requirement: USB 5V/2A power supply
Charging Current Limit: 1A
Working Current: Approximately 300mA
Dimensions: 271.5 × 136.5 × 51mm (L × W × H)
Weight: Approximately 795.5g
Software Compatibility: Windows, macOS, iOS and Android
Package Contents: Yuimer MK20Y Special Edition processor, USB cable and user manual

Note: The Yuimer MK20Y Special Edition shares the M-VAVE MK-20's stated specifications and functionality.