Sanwa Supply High-Power USB Powered Speaker MM-SPL19UBK

●This USB-powered speaker draws power from a USB port. Since it does not require an AC power source, wiring is neat and easy to install. ●It features a large internal capacitor to achieve an astonishingly high output not possible with conventional USB-powered speakers. It features a PRAC (Power Reserving Amplifier Circuit) circuit, which charges the capacitor with power to enable high output when needed. ●The audio output is via a 3.5mm stereo mini jack, so you can enjoy music simply by connecting to the audio terminal of a computer, TV, or other device. ●The built-in BASS control allows you to adjust the sound quality to your liking. ●An external input jack (AUX IN) is located on the front. Easily connect a smartphone or other device to enjoy music. ●The headphone jack is convenient for late-night listening or when sensitive to surroundings. ●The power ON/OFF switch (on the back) and volume control switch are independent. Simply turn the power on and you can enjoy music at your usual volume. ■Maximum Usable Output: 36W (18W + 18W) ■Frequency Response: 20Hz - 20,000Hz ■Speaker Type: Bass-reflex full-range speaker ■Speaker Size: 3.0 inches (approx. 78mm diameter) ■Load Impedance: 4Ω ■Input Terminal: USB A Male Connector (Compatible with USB 3.1/2.0/1.1) ■External Input: 3.5mm Stereo Mini Jack ■Power: Supplied via USB port (DC5V 500mA or higher) ■Housing Material: ABS resin, HIPS ■Cable Length: Speaker-to-Speaker Cable: Approx. 1.05m PC Connection USB Cable: Approx. 1.5m ■Dimensions: W98 x D97 x H208mm ■Weight: 1.04kg ■Set Contents: Main unit, instruction manual This is a USB-powered speaker that draws power from the USB port. Since it does not require AC power, wiring is neat and easy to install. The speaker is equipped with a large internal capacitor to achieve surprisingly high output not possible with conventional USB-powered speakers. It features a PRAC (Power Reserving Amplifier Circuit) that charges the capacitor and enables high output when needed. The audio output is via a 3.5mm stereo mini jack, so you can enjoy music simply by connecting to the audio terminal of a computer, TV, or other device. The speaker is equipped with a BASS control so you can adjust the sound quality to your liking. The front panel features an external input jack (AUX IN), allowing you to easily connect a smartphone or other device and enjoy music.