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Boss EX-4 Effects Expander

A compact effects processor that expands the capabilities of any pedalboard

120 high-quality BOSS effects, including overdrives/distortions, modulation effects, delays, reverbs and more

Up to four effects simultaneously, including multiple instances of the same effect

Standalone function blocks, including Foot Volume, 2x Noise Suppressor, Send/Return and Divider/Mixer

Smooth operation thanks to an informative colour display, intuitive controls and separate FX buttons

Independent global EQ for overall tone shaping

Gear Suite function enables quick configuration of each effect with just a single knob

Control effects via the two multifunction footswitches with coloured LEDs

Versatile mono/stereo inputs and outputs, effects loop and space-saving TRS MIDI connections

Manual mode for classic floor pedal operation and Memory mode for using effect presets

128 presets for guitar and bass + 128 user memory slots for your own sounds

Create complex effects set-ups in series and parallel configurations, including wet/dry options

Use the effects loop to daisy-chain external pedals and arrange them as you wish

Seamless preset switching with fully decaying delay and reverb in certain effect configurations

Use the footswitches to control simple effects and presets, or utilise advanced assignments to fully customise the controls to your preferences

Power supply: 9V DC hollow pin socket 5.5 x 2.1 mm, negative pole on the inside (power supply unit included)

Dimensions (W x D x H): 117 x 138 x 63 mm

Weight: 800 g

Made in Malaysia

More options, minimal size


Modern musicians place great importance on the layout of their pedalboards – every component must earn its place. This is where the EX-4 shines, offering a vast selection of classic BOSS effects in a compact package. It is the perfect all-round pedal for any musician who enjoys experimenting. It also serves as a central tool for live musicians who need to cover as many songs and styles as possible, as well as for studio musicians who have to deliver professional sounds under time pressure.

Properties

Amp modelling: No
Construction method: Pedal
Expression pedal: No
Headphone connection: No
Tuner: No
USB: Yes
Boss

Ansprechpartner:

ROLAND Europe Group Limited Germany
Eisenstrasse 2-4
65428 Rüsselsheim

E-Mail: RGM.Info@roland.com
Web: https://www.roland.com/de/


Boss ist ein renommierter Hersteller von Musikequipment, der 1973 in Japan gegründet wurde und sich auf Effektpedale, Verstärker und digitale Musikgeräte spezialisiert hat. Als Teil der Roland Corporation hat Boss die Musikszene revolutioniert, indem es innovative Produkte entwickelt hat, die sowohl für professionelle Musiker als auch für Hobbyisten zugänglich sind. Die legendären Boss-Effektpedale sind bekannt für ihre Robustheit, Benutzerfreundlichkeit und den charakteristischen Klang, der in unzähligen Songs und Live-Performances zu hören ist. Von Overdrive- und Distortion-Pedalen bis hin zu Chorus- und Delay-Effekten bietet Boss eine breite Palette an Tools, die Kreativität und musikalischen Ausdruck fördern. Mit einem starken Fokus auf Qualität und Innovation bleibt Boss ein unverzichtbarer Partner für Gitarristen, Bassisten und andere Musiker weltweit.

    : Safety and Warning Information

    This product contains electronic components and/or is powered by electricity.

    Please use it exclusively in accordance with the user manual and with suitable accessories.

    ⚠️ Protect the device from moisture, extreme temperatures and mechanical damage.

    ⚡ Check cables, power adaptors and connections regularly for visible damage.

 

    ℹ️ Please refer to the enclosed user manual for further safety instructions.

    ℹ️ If you have any questions regarding safe use, please do not hesitate to contact our customer service team.

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