Product Details: Model Number: AMP3, AMP5, AMP10 Model Name: Amp Available Colors: Black Ages: 6 Years and up Amp-3 Watt Dimensions: 5" long x 3" wide x 5" high Amp-3 Watt Weight: 1 pound Amp-5 Watt Dimensions: 8" long x 3.5" wide x 7" high Amp-5 Watt Weight: 2.5 pounds Amp-10 Watt Dimensions: 10" long x 3.5" wide x 10.5" high Amp-10 Watt Weight: 6.5 pounds Product Description: 3-Watt Portable Electric Guitar Amplifier This miniaturized version boasts great tone for its size, both economical and portable. Attach the strap, sling it over your shoulder and take it anywhere. Don’t worry about available power source with this battery operated (9V) popular 2-1/2 lb. amp. 5-Watt Portable Electric Guitar Amplifier This amplifier is the answer to the large demand for a high quality, economical and completely portable amplifier. You can attach the heavy-duty strap, sling it over your shoulder and take it anywhere. Practice time doesn't always coincide with access to a power source, as this amp can be powered by a 9V battery. Anywhere you practice becomes your rehearsal hall. 10-Watt “Plug in and Play” Portable Electric Guitar Amplifier The 10-Watt amp is the perfect practice amp for the beginner or seasoned pro. It features electric guitar input with Power, Volume, Treble, and Bass and Headphone Jack. This amp also features a lever on back of amp to prop it in any direction. All Amps feature: • INPUT: Connection for the instrument • MASTER VOLUME: Controls overall sound output of amplifier – 0 (softest) to 10 (loudest) • TREBLE: Provides high and low frequency controls as desired. Turning the control knob clockwise increases high frequency. • FUNCTION SWITCH: The on/off switch with option for overdrive mode; a light illuminates when the power is switched to “on” • HEADPHONE CONNECTION: To almost any stereo headphone • EXTERNAL DC POWER JACK: Connection to AC Adapter