Ashdown Studio-4 Battery Powered Bass Amp

This is what Ashdown say about the Studio-4:

Discover the Ashdown Studio 4 Bass Combo — a compact yet powerful 3W battery-powered bass amp built for bass players who demand portability without sacrificing tone. Equipped with a custom 4” speaker, this lightweight bass combo delivers rich, deep bass sound ideal for home practice, backstage warm-ups, outdoor jams, and small performances.

Designed for maximum versatility, the Studio 4 Bass Combo features a headphone output for silent practice, a line input for jamming along to your favourite tracks, and an extension speaker output for connecting to larger cabinets when you need extra projection. The onboard EQ controls let you shape your perfect bass tone with ease, whether you prefer warm lows, punchy mids, or crisp clarity.

Powered by a rechargeable 9V battery, the Studio 4 Bass Combo provides hours of cordless performance, making it the perfect portable bass amp for musicians on the move. From bedroom rehearsals to spontaneous street sessions, this compact combo amp is ready to perform wherever inspiration strikes.

Built by Ashdown Engineering — a globally respected name in bass amplification with more than 25 years of industry expertise — the Studio 4 Bass Combo delivers the legendary Ashdown sound and reliability trusted by professional bassists worldwide.

Take your practice sessions and portable performances to the next level with the Ashdown Studio 4 Bass Combo — the ultimate rechargeable mini bass amp for players who want premium tone anytime, anywhere.