[Machine Translation] Powerful bass with a newly designed passive radiator mechanism, a speaker with a listening experience that surpasses its body size. Rich sound is achieved by mounting a passive radiator on the back that reproduces rich low frequency. Equipped with a high-output digital amplifier, you can enjoy powerful sound that surpasses its size. The volume knob and power switch are integrated on the top surface of the main unit for improved operability. (Product Specifications and Description) / High-precision 40mm speaker unit for comfortable mid-high frequency reproduction. / Maximum output power of 2W+2W provides ample playback volume in a compact body. Independent volume knob and power switch for easy operation. / Headphone jack mounted on the front panel, eliminating the need to replace the plug when connecting to a PC. A detachable saran net is included to protect the speaker unit. Model: Speaker system with built-in amplifier Speaker unit: 40mm full range Maximum output: 2W+2W Playback frequency range: 70~20000Hz Input impedance: 10k Omega Power supply: DC5V (with supplied AC adapter) Input terminal: 3.5mm External dimensions (excluding protrusion): H88 x W58 x D70mm Weight: RIGHT (with built-in AMP) approx. 201g, LEFT (without built-in AMP) approx. 172g Input cord: 0.8m Left-right connection cord: 1.0m Accessories: AC adapter