Description Thunder Bass, which we all guessed, is an amp head for bassists. Based on the SVT*, Hotone somehow got all the big thunderous sound into a mini-sized amp. Whether you are the bassist in the spotlight or the one keeping the pulse in the shadows, this solid amp will suit. Flexible and dynamic, it’s as stable as the most stable member of the band. Features Sound inspired by Legendary SVT Extremely compact configuration for portabilit High quality tone with Volume and Gain control 3 Band EQ controls for shaping your ton Speaker out can automatically fit cabinets of different impedances (4-16Ω FX LOOP for using external effect Headphone output jack is very convenient for practicing and recordin Aux In jack can let you play with an external music playe 18V DC power supply Power Output: 5 Watt Dimensions: 128mm (W) x 75mm (D) x 59.5mm (H Weight: 440 g $120 Shipped to CONUS / Canada , Paypal preferred.