Does this come with the usb plug or do you have to buy this

You need to purchase a commercially available USB cable that transmits power and data.

Does it have a power source

Battery powered out of box. Can be powered by usb. Search for "Roland usb power supply" and Myvolt provide an excellent power supply and cables for this.

Does this come with the USB plug or do you have to buy this?

You will need to purchase a commercially available MICRO USB to connect this product to a computer and charge without batteries.

Is this compatible with macos catalina 10.15.6?

Thank you for the question. Yes there is a TB-03 driver available for MacOS 10.15 Catalina, you can download this from the TB-03 product page on the Roland website in the drivers tab. Thank you.

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Tb-03 Boutique Bass Line Synthesizer

Product ID: 49166669

Details

Brand
ROLAND
Colour
white
Item dimensions L x W x H
13 x 30.8 x
Material
Metal
Model name
TB-03

🔋Battery & USB bus powered for ultimate portability

🔗MIDI, USB & CV/Gate for seamless gear integration

🎛️Authentic TB-303 analog sound emulation

€ 843.05

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Own the acid legacy—where vintage vibes meet modern mojo!

PORTABLE POWERHOUSE - Compact metal chassis with battery or USB power lets you create acid magic anywhere—studio, stage, or on the go.
NEXT LEVEL SEQUENCING - Enhanced step write, shuffle, and fine tempo control with a clear 4-digit LED display for effortless pattern programming.
PLUG PLAY PRO INTEGRATION - MIDI, USB audio interface, and CV/Gate outputs ensure flawless connectivity with your DAW and vintage analog gear.
BUILT IN EFFECTS TO SHAPE YOUR VIBE - Overdrive, delay, and reverb onboard effects let you craft everything from smooth basslines to wild, twisted acid textures.
ICONIC ACID HOUSE SOUND MODERNIZED - Experience the legendary TB-303 bassline with Roland’s advanced ACB tech, delivering hypnotic grooves that defined a generation.

The Roland TB-03 Boutique Bass Line Synthesizer is a compact, battery or USB-powered reissue of the iconic TB-303, featuring Roland’s ACB technology for authentic acid house bass sounds. It offers enhanced sequencing with a 4-digit LED display, onboard distortion and delay effects, and versatile connectivity via MIDI, USB, and CV/Gate. Perfect for mobile music making and studio integration, the TB-03 doubles as a high-quality audio interface and supports USB data backup for your patterns.

Specifications

ASIN	B01LJGT0PO
Best Sellers Rank	33,770 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 64 in Tabletop Synthesizers
Body Material	Metal
Brand Name	ROLAND
Colour	white
Connector Type	USB
Customer Reviews	4.4 4.4 out of 5 stars (97)
Finish Type	Unfinished
Global Trade Identification Number	04957054509484
Included Components	Bass Bass Drum
Is the Product Left or Right Handed?	USB
Item Dimensions	13 x 30.8 x 5.2 centimetres
Item Type Name	Roland TB-03 Boutique Bass Line Synthesizer
Item Weight	0.69 Kilograms
Manufacturer	Roland
Material	Metal
Model Name	TB-03
Model Number	TB-03
Number of Items	1
Part Number	TB-03
Product Warranty	12 months.
Sound Profile	TB-303 Acid House Sound
UPC	761294509487
Unit Count	1 Count

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€ 843.05

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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