After a decade of amplifier innovation Blackstar is bringing their expertise to the deep end. The Unity Series delivers versatility when you need it and simplicity when you don t with a range of powerful and versatile bass amps. The U250 Active Extension Cabinet pairs with any Unity Series amp and provides 250 watts of additional power through an Eminence 15 speaker. With its understated look retro-inspired chassis and wide range of impressive tones the Unity is the rig you ve been waiting for. The U250 Active Extension Cabinet is the perfect way to expand your rig when you need more power instantly adding 250 watts of power to your existing combo. Equipped with a 15 Eminence speaker the Active Extension Cabinet will also inject your tone with a healthy dose of low end. Don t stop at just one you can easily chain together multiple active cabinets with a simple XLR connection allowing you to build an impressive wall of pure bass tone. The U250 Active Cab is also a great choice to amplify your favorite pre-amp or can be used a traditional passive cabinet. With its impressive features and range of sizes the Unity is the bass amp only Blackstar could design. Add 250 Watts of extra stage power to any Unity Combo with the Blackstar Unity 250 Active Bass Powered Speaker Cabinet. Specifications: • Power: 250W (Active Cabinet) • Speakers: 1 x 15 Eminence Opus Speaker • Inputs: Active XLR Input Passive Speaker Jack Input • Outputs: Cabinet Link Thru • Voices: N/A (Cabinet) • EG: N/A (Cabinet) • Effects: N/A (Cabinet) • Compressor: N/A (Cabinet) • Pad Switch: N/A (Cabinet) • USB Recording: N/A (Cabinet) • Effects Loop: N/A (Cabinet) • Line-In: N/A (Cabinet) • Di / Cabinet Emulated Line-Out: N/A (Cabinet) • Weight: 42.99Lb/19.5kg • Dimensions: 19.09 x 23.35 x 14.21 (inches)