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

NEXT LEVEL CONTROL - CV/Gate, MIDI, and USB outputs seamlessly integrate vintage analog gear with modern setups.
PLUG PLAY ANYWHERE - Compact, lightweight metal body with battery or USB power lets you jam on the go.
BUILT IN EFFECTS SUITE - Distortion and delay onboard to craft your signature acid sound without extra gear.
STUDIO READY INTERFACE - Functions as a high-quality audio interface for direct DAW recording and USB data backup.
CLASSIC ACID HOUSE REVIVAL - Authentically recreates the legendary TB-303 bassline that defined a generation.

The Roland TB-03 Boutique Bass Line Synthesizer is a compact, metal-bodied instrument that faithfully recreates the iconic TB-303 acid house sound. Featuring onboard distortion and delay effects, a four-digit LED display, and versatile connectivity options including CV/Gate, MIDI, and USB, it offers both portability and studio-grade functionality. Powered by battery or USB, with a built-in mini speaker and headphone jack, the TB-03 is designed for musicians who want to blend vintage analog character with modern convenience and recording capabilities.

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HK$6103

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Hong Kongstore

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Item weight	0.69 Kilograms
Body material	Metal
Included components	Bass Bass Drum
Finish type	Unfinished
Manufacturer	Roland
UPC	761294509487
Global Trade Identification Number	04957054509484
Hand orientation	USB
Product Dimensions	13 x 30.8 x 5.2 cm; 690 g
Batteries	1 AAA batteries required.
Item model number	TB-03
Connector	USB
Material Type	Metal
Size	TB-03
Battery Type	Other Than Listed
Item Weight	690 g

ROLANDTb-03 Boutique Bass Line Synthesizer

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