?Onboard Preamp Systems are dedicated to providing maximum value in a small footprint. Available in three models， these preamp systems feature Volume， Tone shaping， and Phase controls; a pre-wired pickup and low profile control knobs. Also included are a low battery indicator and a separate battery box.<br> <br> Features:<br> Small footprint fits many guitars.<br> Volume control.<br> EQ tone shaping control.<br> Phase switch.<br> Low battery indicator.<br> Pre-wired pickup for easy solder-free installation.<br> Low profile control knobs.<br> Onboard easy to read 7-segment LED.<br> Bass and Treble controls for enhancing tone shaping.<br> <br> Specifications:<br> Powered By: a 9-Volt battery (not included)<br> Package size: 14 * 9.5 * 5.5cm / 5.5 * 3.7 * 2.2in (L * W * H)<br> Package weight: 102g / 3.6oz<br> <br> Package List:<br> 1 * Preamp<br> 1 * Flexible Piezo Pickup<br> 1 * Combination Battery Box / Output Jack<br> 1 * Mounting Ring<br> 8 * Mounting Screws<br> 1 * Mounting Clip<br> <br> Note: Battery is not included.<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>