The ME-90 is the ideal compact tone processor for performing guitarists. A friendly knob-based interface makes it simple to dial in great sounds in seconds.
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Earn rewards every time you shop at AMS. You'll collect points on eligible purchases that turn into promotional savings on future gear, with points typically available several days after your order ships. All you need is a free AMS account — no credit card, financing, or payment plan required.
The more you shop, the more you earn. Create a free account and start earning from your very first eligible purchase. Rewards are applied as a discount on future eligible purchases.
Earn points on eligible purchases with AMS Rewards and turn them into savings on future orders, no credit card required. You can apply points at checkout once they’re available.
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0% Interest
Payment Plan
Don’t sell your soul to a creditor to get the gear you need. At AMS, we want to lower the barriers to create. That’s why we offer in-house 0% financing, and you don’t even have to open a new line of credit! Spread out payments on your credit card to simplify financing and avoid hefty late fees or service charges. Cost shouldn’t interfere with your creativity.
Non Factory Sealed are items that have been opened but are in perfect physical condition such as customer returns, open box for product photos/videos, demo stock, etc. They have been carefully inspected and repacked by qualified AMS employees to help ensure your satisfaction, allowing you to get great gear at a discounted price. They include all components, manuals and the full Manufacturer's warranty unless otherwise stated, along with the AMS 45-day Money-Back Guarantee. Special offers, promotions and rebates may not apply. The following manufacturers do not offer a warranty on Non-Factory Sealed items: Casio, Ampeg, Avalon, Chauvet, Electro-Voice, Ibanez, Mackie, Martin, Peavey
Boss ME-90 Guitar Multi-Effects Pedal: Tone Power without the Menu Diving
The BOSS ME-90 guitar multi-effects pedal is what happens when decades of BOSS engineering meet the attention span of a modern guitarist. It’s compact, road-ready, and unapologetically hands-on. Just twist, stomp, and play. Whether you’re dialing in lush reverbs, face-melting distortion, or punchy mod effects, the ME-90 puts everything at your feet.
Built on the bones of the legendary ME series — and now souped up with flagship-grade AIRD amp modeling, IR loading, and GT-1000-class effects — the Boss ME-90 is the most advanced model yet. And if you're tired of tap dancing across a dozen stompboxes just to get a decent lead tone? Congratulations. You’ve found your upgrade.
What’s Under the Hood? A Whole Lotta Tone
The Boss ME-90 guitar multi-effects pedal isn’t just crammed with features — everything’s laid out in front of you, ready to twist, stomp, and shred. Here’s what makes the ME-90 the most gig-friendly, jam-approved, tone-stacked pedal in the Boss family:
All-in-One Multi-FX Powerhouse: Over 60 premium effects and 11 AIRD amp models pulled straight from the GT-1000’s DNA.
AIRD Amp Modeling + IR Loading: Get real amp feel and tone with advanced AIRD tech, and load in up to 3 custom IRs for your own cab flavor.
Pro-Grade Audio Quality: 24-bit AD/DA, 32-bit floating point processing, and 48 kHz sampling rate means what you play is what you hear — only better.
Manual Mode & Memory Mode: Switch between pedalboard-style control and full patch recall depending on how much brain power you’ve got left mid-set.
Eight Footswitches + Expression Pedal: Real-time control at your feet, including a redesigned expression pedal with a toe switch for wah, volume, or chaos.
36 Presets + 36 User Slots: Enough space to cover every genre from country twang to death jazz and everything in between.
External Loop + Output Optimization: Send/return loop for your favorite drive pedal and output mode switching for amps vs. PA rigs.
USB-C Audio & MIDI: Record directly into your DAW or edit patches using BOSS Tone Studio.
Lightweight and Battery-Powered: Under 7 lbs, four AAs, or an optional adapter. Take it anywhere.
Deep Editing. Seamless Control. Welcome to Tone Studio.
Although the ME-90 gives you full hands-on control straight out of the box, sometimes you want to go a little deeper, like surgically swapping out amp models, loading your own speaker IRs, or fine-tuning parameters that are hiding just beneath the surface. Just download BOSS Tone Studio.
Connect the Boss ME-90 guitar multi-effects pedal to your Mac or Windows-based PC via USB-C, fire up the Tone Studio software, and suddenly you’ve got a bird’s-eye view of your entire sound rig. You can edit every patch, tweak EQ curves, assign footswitches, drag-and-drop effects in your chain, and even load up to three custom cabinet IRs with the ME-90 IR Loader. It’s like turning your pedalboard into a modular synth.
You can also save and organize your favorite patches, back them up before gigs, or download new ones from BOSS Tone Exchange when inspiration hits. And yes, you can do all of this while the ME-90 stays live and playable.
Boss ME-90 Multi Effects Processor Pedal Features:
All-in-one guitar processor with premium BOSS amps and effects
Easy stompbox-style sound creation with an intuitive knob-based interface
Superior sound quality with 24-bit AD/DA, 32-bit floating-point processing, and 48 kHz sampling rate
Eleven onboard AIRD amp models and 60 different effects derived from the flagship GT-1000
Dedicated amp section plus seven simultaneous effect categories with multiple types to choose from
Edit parameters, swap out amp and effect types, and more with BOSS Tone Studio
Eight multi-function footswitches and a newly redesigned expression pedal with toe switch
36 ready-to-play preset patches and 36 user patches for storing custom setups
Manual mode for pedalboard-style operation and Memory mode for switching complete patch setups
Rear-panel switch to optimize the audio outputs for a guitar amp or full-range sound system
Load up to three user speaker IRs with the ME-90 IR Loader software for Windows/macOS
Send/return loop for external pedals
Light, durable design and colorful status LEDs
Powered via four AA batteries or optional AC adaptor (PSA120S2)
USB-C connector for communicating with BOSS Tone Studio and audio recording/playback with music production software
Download and share ME-90 Livesets at BOSS Tone Exchange
Optional Bluetooth Audio MIDI Dual Adaptor allows you to edit sounds and stream audio from an iOS or Android mobile device
Boss ME-90 Guitar Multi Effects Processor Pedal Specifications
Boss ME-90 Guitar Multi Effects Processor Pedal Specifications
Product Specifications
Sampling Frequency: 48 kHz
AD Conversion: 24 bits + AF method.
AF method (Adaptive Focus method): This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters.
Recommended Load Impedance: Output (L/MONO, R), Send: 10 k ohms or greater
Recommended Load Impedance for Phones Output: 44 ohms or greater
Display: 7 segments, 2 characters (LED)
Jacks for Input/Output/Send/Return: 1/4" phone type
Jack for Phones Output: Stereo miniature phone type
USB Computer Port: USB Type-C(R)
Bluetooth Adapter connector: Dedicated connector
Power Jack: DC IN jack
Power Supply: PSA120S2 AC Adapter sold separately, Alkaline battery (AA, LR6) x 4
Current Draw: 190 mA
Expected battery life under continuous use: Alkaline battery: Approximately 6.5 hours * This can vary depending on the specifications of the batteries, capacity of the batteries, and the conditions of use
Dimensions (W x D x H): 443 x 220 x 67 mm / 17-1/2" x 8-11/16" x 2-11/16"
Max Height (W x D x H): 443 x 220 x 93 mm / 17-1/2" x 8-11/16" x 3-11/16"
Weight (including battery): 6 lbs 7 oz / 2.9 kg *0 dBu = 0.775 Vrms