Whadda Digital echo chamber - DIY mini kit

This is the Whadda WSAH182 Digital Echo Chamber, a DIY mini kit that brings fun and an enhanced audio experience to your devices. Perfectly suited for various audio systems, karaoke machines, public address (PA) systems, or simply as an entertaining gadget, this kit is designed to give your audio a whole new depth.Featuring four adjustable knobs: microphone or input level, volume or output level, delay time, and echo level, you're given full control to customize the sound to your liking. With a 40Kb SRAM memory, it assures good sound quality, minimizing distortion. It also includes a built-in microphone and amplifier, and it's outfitted with line-in and line-out connections for your convenience. A clip for a 9V battery is provided, ensuring it's ready for use.The device runs on a 9V battery or a regulated 9-12 VDC supply, with a maximum power consumption of 150mA. It offers a delay time range from 80 to 200 milliseconds and a speaker output of 500 mW at 8 ohms with a total harmonic distortion of 10%.Features

* 4 adjustable knobs: MIC or input level, volume or output level, delay time, and echo level * 40Kb SRAM memory for good sound quality, with low distortion * Built-in microphone and amplifier * Line-in and Line-out connections * Comes with a clip for 9V battery Specifications

* power supply: 9V battery (6LR61 not included) or 9…12V DC regulated * power consumption: 150mA max. * delay time: 80…200ms * speaker output: 500mW (8 ohm, 10% THD) * dimensions: 85 x 70 x 20mm / 3.35 x 2.76 x 0.78″