$(csi.user.businessName)

Main Content

Loading...

Skip to content Go to Product Search

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.

Best Buy Gamers

Deal of the Day

My Best Buy Memberships

Best Buy Business

QNT Massive Mass Extreme search results

Filters

Skip To Results

Get it fast

Pickup · Ready todaySelect Store

Shipping · Get it today55423

Category: Guitar Pedals & Effects

Price

to

$50 - $74.99

$75 - $99.99

$100 - $149.99

$150 - $199.99

$200 - $249.99

$250 - $499.99

Brand

Harmonix

Electro-Harmonix

EarthQuaker Devices

Catalinbread

Interstellar Audio Machines

Features

Plug-In

Color

Black

Red

White

Green

Silver

Multi

Orange

Purple

Power Source

Plug-in

Battery-powered

Plug-in/Battery-powered

QNT Massive Mass Extreme in Guitar Pedals & Effects (40)

Search all categories

Sort by:

Sponsored

Sponsored

Sponsored

Sponsored

9V + 1A - OUTPUT
OCTAVES: -2 OCTAVES, -1 OCTAVE, +1 OCTAVE, +2 OCTAVES
DRY FX
ATTACK
LP FILTER
DETUNE
2 PRESETS
DRY -2, +1, +2
LP 4, 5
SAVE 6 TO 7
HOLD VOICE MIX Q EFFECTS 8 OUTPUT
POG 2
POLYPHONIC OCTAVE GENERATOR
electro-harmonix
PRESET BYPASS

Electro-Harmonix - POG2 Polyphonic Octave Generator Pedal with Attack Control Presets and Filter Shaping

Rating 5 out of 5 stars with 1 reviewfalse

Compare

9V o + TONE VOLUME SUSTAIN DUAL OP-AMP BIG MUFF 2 R.E. Myer electro-harmonix NEW YORK CITY, USA

Electro-Harmonix - Big Muff Pi 2 Dual Op-Amp Fuzz Pedal BIGMUFF2

Not yet reviewed

Not yet reviewed

Compare

nano POG
electro-harmonix
NEW YORK CITY, USA

SUB OCTAVE
OCTAVE UP
DRY

EFFECT OUT
DRY OUT
INPUT

Harmonix - Nano POG Polyphonic Octave Generator Pedal NANOPOG - Red

Not yet reviewed

Not yet reviewed

Compare

9V
deluxe bass
BIG MUFF
electro-harmonix

VOLUME
BLEND
TONE
SUSTAIN
GATE
CROSSOVER

HPF
LPF

INPUT
-10 dB
0 dB

CROSSOVER
BYPASS

INPUT
OUTPUT
OUTPUT
CROSSOVER

Harmonix - Deluxe Bass Big Muff Pi Fuzz Pedal DXBBMUFF - Black

Not yet reviewed

Not yet reviewed

Compare

Sponsored