Enhance your car audio experience with the Vibe Optisound Auto 8 Active Subwoofer Enclosure paired with the Powerbox Bass 1 Monoblock Amplifier. This powerful combo delivers deep, punchy bass while maintaining a compact design, perfect for tight spaces. Subwoofer Model: Vibe Optisound Auto 8 (V2). Dimensions: H 80mm x W 285mm x D 396mm. Built-in Amplifier: Efficient monoblock amplifier for optimal bass performance. Connectivity: RCA low input, adjustable gain control. Used but fully functional. Some cosmetic wear as shown in photos, but does not affect performance. Perfect for anyone looking to add quality bass to their vehicle without taking up too much space.