Sweetwater Gear Exchange Integration Studios

Content Creators Home Audio House of Worship Immersive

¡Obtenga asesoría en español! Llámenos hoy a (800) 222-4701

Contact Us

Need Help?

Contact your Sales Engineer

What is a Sales Engineer?

Call

Text

Email

Support

Toll-free: (800) 222-4700

Español: (800) 222-4701

Local: (260) 432-8176

Fax: (260) 432-1758

SweetCare Remote

View our hours

Ft. Wayne Music Store

Shop By Category

Shop By Category

Guitars

Shop By Category

Guitars

View All Guitars

Electric Guitars

Solidbody Guitars

Semi-hollowbody Guitars

Hollowbody Guitars

Baritone Guitars

7-string Guitars

8-string Guitars

MIDI Guitars & Pickups

Electric Guitar Kits

Kids Electric Guitars

View All Electric Guitars

Acoustic Guitars

6-string Acoustic Guitars

12-string Acoustic Guitars

Acoustic / Electric Guitars

Baritone Acoustic Guitars

Left-handed Acoustic Guitars

Classical & Nylon String Guitars

Resonator Guitars

Acoustic Guitar Kits

Kids Acoustic Guitars

View All Acoustic Guitars

Guitar Cases & Bags

Electric Guitar Cases

Electric Guitar Gig Bags

Acoustic Guitar Cases

Acoustic Guitar Gig Bags

Amps, Effects & More Guitars

Guitar Amps

Guitar Pedals & Effects

Pedalboards & Power Supplies

3/4 Guitars

Folk Instruments

Ukuleles

Guitar Bodies

Electric Guitar Strings

Acoustic Guitar Strings

String Dampeners & Mutes

Guitar / Instrument Cables

Sweetwater Exclusives

Guitar Bundles

Guitar Deals

News & Research

New Arrivals

Shop By Brand

Cable Finder

Case Finder

Guitar Gallery

Learn About PLEK

Guitar Workshop

Basses

Shop By Category

Basses

View All Basses

Bass Guitars

4-string Bass Guitars

5-string Bass Guitars

6+ string Bass Guitars

Fretless Bass Guitars

Acoustic Bass Guitars

Left-handed Bass Guitars

Bass Guitar Kits

View All Bass Guitars

Bass Guitar Amps

Bass Guitar Combo Amps

Bass Guitar Amp Heads

Bass Guitar Amp Cabinets

Speakers

Attenuators

Amp Stands

Guitar Amp Tubes

Covers

Casters

View All Bass Guitar Amps

Bass Guitar Pedals & Effects

Multi-FX

Preamp

Overdrive

Distortion

Fuzz

Chorus

Compressor

Octave

DI

EQ

View All Bass Guitar Pedals & Effects

Cases, Strings & Accessories

Bass Guitar Cases

Bass Guitar Strings

Bass Guitar Cables

Bass Guitar Straps

Bass Guitar Picks

Tuners

Guitar Wireless Systems

Sweetwater Exclusives

Bass Bundles

Bass Deals

News & Research

New Arrivals

Shop By Brand

Cable Finder

Case Finder

Guitar Workshop

Amps & Effects Pedals

Shop By Category

Amps & Effects Pedals

View All Amps & Effects Pedals

Amps

Guitar Combo Amps

Guitar Amp Heads

Guitar Amp Cabinets

Acoustic Guitar Amps

Bass Combo Amps

Bass Guitar Amp Heads

Bass Guitar Amp Cabinets

Guitar Effects

Multi-effects Pedals

Distortion, Overdrive & Boost

Fuzz

Reverb & Delay

Compressor Pedals

EQ Pedals

Chorus

Wah

Noise Gate & Suppressor Pedals

Looper

Amp & Cabinet Simulators

Acoustic Guitar Effects

Pedalboards & Power Supplies

Bass Guitar Effects

Preamp

DI

Multi-effects Pedals

Compressor

Distortion

Overdrive

Fuzz

Octave

EQ

Chorus

Synth

Other Categories

Guitar Amp Covers

Guitar Amp Stands

Guitar Amp Footswitches & Controllers

Guitar Amp Cases & Bags

Amp Attenuators

Guitar Amp Speakers

Guitar Amp Tubes

Guitar Amp Accessories

Mesa/Boogie Customizer

Cable Finder

Mesa/Boogie Customizer

Studio & Recording

Shop By Category

Studio & Recording

View All Studio & Recording

Recording

Audio Interfaces

Microphones & Wireless

Studio Monitors

Studio Mixers & Control Surfaces

Preamps & Channel Strips

Signal Processing & 500 Series

Audio Recorders

Computers & Software

Computers

iOS / iPad

Pro Tools

Software & Plugins

More Studio & Recording

Headphones

Patchbays

Studio Furniture

Chairs & Stools

Acoustic Treatment

Audio Engineering Instructional Books

Podcasting

Video Creators

Video Equipment

Livestreaming

Sweetwater Exclusives

Recording Bundles

Recording Deals

Immersive Audio

News & Research

New Arrivals

Shop By Brand

Studio Installs

Cable Finder

Case Finder

Software & Plug-ins

Shop By Category

Software & Plug-ins

View All Software & Plug-ins

DAW Software

Pro Tools Software

Ableton Live

Image Line FL Studio

Fender Studio Pro

Steinberg Cubase

View All DAW Software

Virtual Instruments Software

Virtual Bass & Guitar Software

Virtual Percussion & Drum Software

Virtual Synthesizer Software

Virtual Orchestral Software

Virtual Instrument Software Bundles

Sampler Software

View All Virtual Instruments

Plugins: Virtual Processors

Plugin Bundles

Limiter, Gate & Compressor Plugins

EQ Plugins

Reverb Plugins

Pitch Correction & Vocal Plugins

Multi-Effects & Modulation Plugins

Guitar Amps & Effects Plugins

Audio Restoration & Noise Reduction Software

Utility Plugins

View All Virtual Processors

More Software & Plug-ins

Notation Software

Mastering Software

DJ Software

Video Editing Software

Instructional Software

Utility & Other Software

Computers

Audio Engineering Instructional Books

Sweetwater Exclusives

Software Bundles

Software Deals

Computer Deals

News & Research

New Arrivals

Shop By Brand

Cable Finder

Microphones & Wireless

Shop By Category

Microphones & Wireless

View All Microphones & Wireless

Microphones

Condenser Microphones

Dynamic Microphones

Ribbon Microphones

Drum Microphone Bundles

Headset Microphones

Lavalier Microphones

USB Microphones

Shotgun Microphones

Drum Microphone Bundles

View All Microphones

Wireless Systems

Handheld Microphone Wireless Systems

Headset Microphone Wireless Systems

Lavalier Microphone Wireless Systems

Guitar Wireless Systems

Wireless Transmitters & Receivers

In-Ear Monitors

Wireless Accessories

View All Wireless Systems

Microphone Accessories

Microphone Windscreens & Grilles

Microphone Clips

Microphone Shockmounts

Microphone Stands

Microphone Pop Filters

Microphone Cases & Bags

Microphone Cables

Miscellaneous Mic Accessories

Sweetwater Exclusives

Microphone Bundles

Cable Finder

Case Finder

Live Sound & Lighting

Shop By Category

Live Sound & Lighting

View All Live Sound & Lighting

Live Sound Mixers

Analog Mixers

Digital Mixers

Powered Mixers

Line Mixers

Mixer Accessories

View All Mixers

PA Systems & Speakers

PA Speakers

PA Subwoofers

Stage Monitors

PA Systems

Loudspeaker Management

PA Speaker Accessories

Commercial Speakers

Power Amplifiers

Home Speakers

View All PA Systems

Lighting

Lighting Controllers & Interfaces

Lighting Software

Spotlights

Par Cans

Color & Wash Lights

Strobes, Lasers, & Effects Lights

Fog & Bubble Machines

Lighting Stands & Trusses

Lighting Clamps

View All Lighting

More Live Sound & Lighting

Microphones & Wireless

PA Crossovers

In-Ear Monitors

Live Sound Monitoring

Portable Racks & Cases

Signal Processing & 500 Series

Live Sound Accessories

Hum Eliminators

Staging

Drum Shields

Intercom

Sweetwater Exclusives

Live Sound Bundles

Live Sound Deals

Immersive Audio

News & Research

New Arrivals

Shop By Brand

Commercial Installs

Cable Finder

Case Finder

Keyboards & Synth

Shop By Category

Keyboards & Synth

View All Keyboards & Synth

Synthesizers

Keyboard Synths

Synthesizer Modules

Desktop Synths

Rackmount Synths

Portable Synths

Eurorack & Modular Synths

Keytars

Theremins

View All Synthesizers

Pianos

Upright Pianos

Grand Pianos

Digital Pianos

Acoustic Pianos

Stage Pianos

View All Pianos

Workstations & Arranger Keyboards

Keyboard Workstations

Portable & Arranger Keyboards

Beat Production

More Keyboards & Synth

Electric Organs

Accordions

MIDI Controllers

MIDI Interfaces

Keyboard Gig Bags

Keyboard Cases

Keyboard Amplifiers

Keyboard Stands

Keyboard & Piano Benches

Keyboard Accessories

Keyboard Bundles

Keyboard Deals

News & Research

New Arrivals

Shop By Brand

Cable Finder

Case Finder

DJ & Beat Production

Shop By Category

DJ & Beat Production

View All DJ & Beat Production

DJ Equipment

DJ Controllers

DJ Mixers

DJ Media Players

Turntables & Accessories

MIDI Controllers

Beat Production

DJ Effects

DJ Headphones

DJ Equipment Bundles

DJ Cases & Gig Bags

DJ Stands

View All DJ Equipment

PA Systems & Speakers

PA Speakers

PA Subwoofers

Stage Monitors

PA Systems

Loudspeaker Management

PA Speaker Accessories

Commercial Speakers

Home Speakers

View All PA Systems

DJ Lighting

DJ Lighting Controllers & Interfaces

DJ Lighting Software

DJ Spotlights

DJ Par Cans

DJ Color & Wash Lights

DJ Strobes, Lasers & Effects Lights

DJ Fog & Bubble Machines

DJ Lighting Stands & Trusses

DJ Lighting Clamps

View All Lighting

DJ Bundles

DJ Deals

News & Research

New Arrivals

Shop By Brand

Case Finder

Cable Finder

Headphones

Shop By Category

Headphones

View All Headphones

Headphones & Headsets

Studio Headphones

Audiophile Headphones

DJ Headphones

Wireless Headphones

Noise Canceling Headphones

Gaming Headsets

Office Headsets

Earbuds

True Wireless Earbuds

Hearing Protection

Hearing Aids

In-Ear Monitors

Earphones

In-Ear Monitor Systems

In-Ear Transmitters and Receivers

Headphone Accessories

Earphone & Headphone Cables

Headphone Stands & Holders

Headphone Cases & Bags

Headphone Earpads

Earphone Tips & Sleeves

Headphone & Earphone Accessories

Headphone Amps & DACs

Cable Finder

Drums & Percussion

Shop By Category

Drums & Percussion

View All Drums & Percussion

Acoustic Drums

Acoustic Drum Sets

Snare Drums

Bass Drums

Floor Toms

Mounted Toms

Specialty Drums

World Percussion

Hand Drums

Meditation & Music Therapy Instruments

Classroom Instruments

View All Acoustic Drums

Electronic Drums

Electronic Drum Sets

Electronic Drum Modules

Electronic Drum Controllers & Multipads

Drum Triggers & Pads

Electronic Cymbal Pads

Drum Amplifiers

Drum Machines & Samplers

View All Electronic Drums

Cymbals & Hardware

Cymbal Sets

Ride Cymbals

Crash Cymbals

Hi-hat Cymbals

China Cymbals

Splash Cymbals

Effects Cymbals

Drum Stands & Mounts

Drum Thrones

Drum Pedals & Beaters

Drum Rack Systems & Parts

Other Categories

Drumsticks

Drum Heads

Drum Accessories

Drum Cases & Bags

Drum Microphones

Concert Percussion

Marching Percussion

Concert Percussion Accessories

Marching Accessories

Drums & Percussion Method Books

Sweetwater Exclusives

Drum Bundles

Drum Deals

News & Research

New Arrivals

Shop By Brand

Cable Finder

Band & Orchestra

Shop By Category

Band & Orchestra

View All Band & Orchestra

Woodwind Instruments

Flutes & Piccolos

Clarinets

Saxophones

Double Reed Instruments

Electronic Wind Instruments

Reeds

Woodwind Mouthpieces

Ligatures & Caps

Woodwind Instrument Stands

Woodwind Neck Straps & Harnesses

Woodwind Cases, Covers, & Bags

View All Woodwind Instruments

Brass Instruments

Trumpets

Trombones

French Horns

Euphoniums

Tubas

Brass Mouthpieces

Brass Mutes

Brass Accessories

Brass Instrument Stands & Hangers

Brass Cases, Covers, & Bags

View All Brass Instruments

Orchestral String Instruments

Violins

Violas

Cellos

Double Bass

Bows

Orchestral Accessories

Orchestral Strings

View All Orchestral String Instruments

More Band & Orchestra

Classroom Instruments

Recorder Instruments

Orff Instruments

Concert Percussion

Marching Percussion

Band & Orchestra Accessories

Chairs & Stools

Band & Orchestra Method Books

Music Technology for Education

Sweetwater Exclusives

Band & Orchestra Bundles

Instrument Rentals

News & Research

Video & Cameras

Shop By Category

Video & Cameras

View All Video & Cameras

Cameras

Mirrorless Cameras

PTZ Cameras

Action Cameras

Camcorders

Webcams

Vlogging Cameras

Point & Shoot Cameras

Cinema Cameras

Studio Cameras

Videobar Cameras

Camera Lenses

Video Equipment

Video Switchers

Video & Stream Controllers

Video Capture

Video Converters

Studio Video Recorders

Video Lighting

Camera Controllers

Projection & LED Displays

Video Projectors

Projector Screens

Projector Lenses

LED Video Walls

Projector Accessories

Video & Camera Accessories

Camera Bags & Cases

Camera Tripods & Stands

Gimbals & Stabilizers

Camera Mounts & Adapters

Camera Monitors

Camera Microphones

Camera Controllers

Video Lighting Accessories

Video Editing Software

Miscellaneous Video Accessories

Video & Camera Bundles

Video & Camera Deals

Commercial Installs

Cable Finder

Home Audio & Electronics

Shop By Category

Home Audio & Electronics

View All Home Audio & Electronics

Home Theater, Audio & Video

Home Speakers

Home Amplifiers

Home Theater Receivers

Music Streamers

Audio & CD Players

Home Turntables

Video Players & Streamers

Projection & LED Displays

Karaoke Machines

Headphones, Headsets, & Earbuds

Headphones

Wireless Headphones

Audiophile Headphones

Earbuds

Gaming Headsets

Office Headsets

Home Headphone Amps & DACs

Headphone Stands & Holders

View All Headphones, Headsets & Earbuds

Computers & Storage

PC Desktops

Mac Desktops

MacBooks

iPads

Tablet Accessories

Webcams

Computer Monitors

External Hard Drives

Internal Hard Drives

Hard Drive Accessories

Home Accessories

Chairs & Stools

Equipment Cleaning & Care

Home Power

Home Cables

Home Audio Deals

Immersive Audio

Cable Finder

Headphones

Commercial Audio & Install

Shop By Category

Commercial Audio & Install

View All Commercial Audio & Install

Commercial Audio & Installed Sound

Commercial Speakers

Commercial Power Amplifiers

Mixer Amplifiers

Zone & Matrix Mixers

Wall & Zone Controllers

Conference Systems

Projection & LED Displays

Audio & CD Players

Cables & Wire

Power Conditioners

Commercial Audio Accessories

Commercial Audio Design & Installation

Commercial Audio Deals

Commercial Installs

Cable Finder

Cables, Cases, Stands & More

Shop By Category

Cables, Cases, Stands & More

View All Cables, Cases, Stands & More

Cables

Microphone Cables

Guitar / Instrument Cables

Speaker Cables

Pedalboard Patch Cables

Snakes

Digital Cables

Adapters

Eurorack Patch Cables

Bulk Wire

Power Cables

View All Cables

Cases & Bags

Guitar Cases & Bags

Drum Cases & Bags

Keyboard Cases & Bags

DJ Cases & Gig Bags

Folk Instrument Cases & Bags

Band & Orchestra Cases & Bags

Live Sound Cases & Bags

Headphone Cases & Bags

View All Cases

Stands

Microphone Stands

Keyboard Stands

Guitar Stands

PA Speaker Stands

Studio Monitor Stands

Lighting Stands & Trusses

Music Stands

Laptop Stands

DJ Stands

Brass Instrument Stands & Hangers

Woodwind Instrument Stands

View All Stands

Other Accessories

Strings

Guitar Accessories

Guitar Amp Accessories

Bass Guitar Accessories

Bass Guitar Amp Accessories

Keyboard Accessories

Drum & Percussion Accessories

Microphone Accessories

Mixer Accessories

Music Education & Learning Books

Clothing & Merch

More...

Sweetwater Exclusives

Accessory Deals

Sweetwater Merch

Case Finder

Cable Finder

Content Creators

Shop By Category

Discover: Content Creators

Podcasting

Livestreaming

Video Creators

News & Research

What's New

Deals

DEALZONE Shop By Category

Recording MonthSALE

Gig Essentials SaleSALE

Headphones SaleSALE

Band & Orchestra Step Up SaleSALE

Certified Open Box

Rebates & Promos

Price Drops

Bundles

Used

B-Stock

Call-in Savings

Used Gear

Turn your old gear into new gear
with the Sweetwater Gear Exchange!

What is Gear Exchange?

Seller Fees

Create a Listing

My Messages

My Purchases

Help Center

Rentals

Articles & Videos

Product Support

Product Support

Visit our Knowledge Base With over 26,000 answers to your tech questions

Contact Product Support

Guitar Workshop

Other Repairs

Return Policy

Free Shipping Policy

Shipping & Delivery Times

SweetCare Remote

All Help Topics

Giveaway

Sweetwater Card

Contact Us We're here to help

Contact Us

Need Help?

Contact your Sales Engineer

What is a Sales Engineer?

Call

Text

Email

Support

Toll-free: (800) 222-4700

Español: (800) 222-4701

Local: (260) 432-8176

Fax: (260) 432-1758

SweetCare Remote

View our hours

Ft. Wayne Music Store

Talk to an expert!
(800) 222-4700

$6K PRS Line 6 Giveaway

Lab Gruppen Commercial Power Amplifiers

Get More at Sweetwater

Fast Shipping

Easy Payments

Free Product Support

Free 2-year Warranty

Refine Your Search

Price Range

$ to $

Watts/Side @ 8 ohms

2 Products

Photo of Lab Gruppen E 20:4 500-watt 4-channel 70V Power Amplifier

Lab Gruppen E 20:4 500-watt 4-channel 70V Power Amplifier

4 x 500-watt Low-/High-impedance Power Amplifier with Asymmetric Loading, Rail Sensing Limiter, and Patented Class-D Output Stage
$2,199.00

Or ^$367^.00 suggested monthly payment^§ with 6 month^‡ special financing

Compare

Photo of Lab Gruppen E 40:4 4000-watt 4-channel Power Amplifier

Lab Gruppen E 40:4 4000-watt 4-channel Power Amplifier

4 x 1,000-watt Low-/High-impedance Power Amplifier with Asymmetric Loading, Rail Sensing Limiter, and Patented Class-D Output Stage
$2,399.00

Or ^$400^.00 suggested monthly payment^§ with 6 month^‡ special financing

Compare

You can only compare four products at a time.
If you want to compare another product, please remove one of your earlier choices.

Please select more items to compare.

Remove All

Questions about Lab_Gruppen products?

Sweetwater's Sales Engineers have the experience to help!

Call (800) 222-4700 or email us below

Your question

Full Name

Email

Phone (optional)

Zip

Thank You!

Thank you for your request. We value your feedback and want to know more about your musical interests.

Interested in earning a $50 Sweetwater gift card? Become a usability tester!

Learn More and Sign UpLog in / Sign up

Feel free to call us toll free at (800) 222-4700, Mon-Thu 9-9, Fri 9-8, and Sat 9-7 Eastern.

body{padding-top:55px}.env-warning{background:#d71920;color:#fff;display:table;font-size:16px;height:55px;left:0;position:fixed;text-align:center;top:0;vertical-align:middle;width:100%;z-index:9999}.env-warning__content{display:table-cell;padding:0 12px;vertical-align:middle}a.env-warning__link{color:#fff;font-size:16px;white-space:nowrap}.mobile body{padding-bottom:80px;padding-top:0}.mobile .env-warning{bottom:0;height:80px;top:auto} /*# sourceMappingURL=env-warning.css.map*/

Please enable JavaScript to shop on Sweetwater.com.