Donner Amplifier Electronic Drum Keyboard 20W External Speaker Small Mini Wireless Black Japanese Instruction Manual DDA-20 Purchased on Amazon. Unused, brand new. Opened for the purpose of listing to check the contents. Brand: Donner Color: Black Output Current: 20 Watts Item Dimensions: 22.5 depth x 29.5 width x 23 height cm Model Name: DDA-20 Power Source: Corded Electric ✨【Sound with a sense of presence】The DDA-20 mini amp is equipped with a 6.5-inch woofer and a 2.0-inch tweeter. While it's 20W, it has enough output for home practice, recording, and live spaces. ✨【Mini but Powerful】The frequency of the DDA-20 keyboard amp is 50Hz～20KHz. There is no thinness of sound unique to small amps, and it has enough thickness and fullness even when clean, so you can enjoy it directly connected to the amp without connecting an effector. ✨【Convenient to Carry】External dimensions: 295(L) × 225(W) × 230(H)mm, Weight: 3.6 KG. The mini and compact DDA-20 has a sturdy leather handle, so you can take it anywhere. ✨【Control Panel】The multimedia function of the DDA-20 keyboard speaker allows you to wirelessly connect a mobile device to the DDA-20 and adjust it using the featured Bluetooth function knob. ✨【Unique Design】With a unique box design, this keyboard speaker makes the sound richer. The edges are surrounded by hard materials, protecting the amplifier and preventing damage, as well as stabilizing the rubber mat.