JOYO MA-10A Portable Guitar Amplifier is specially designed for acoustic guitar and ukulele. It features various tones, with gain control knob, volume knob, tone control knob and a dual channel switch for adjusting the sound comprehensively. It is compact and portable, plus the Aux in jack, which guarantees pleasant enjoyment out of music while playing your instruments. Features: Dual channel switchable guitar amplifier: the real tune of guitar can be recovered when in the normal channel, and high frequency and brightness will be easily increased when switching to the bright channel. Suitable for acoustic guitar and ukulele. Controls: gain control knob, volume knob, tone control knob and a dual channel switch for adjusting the sound easily. 5 inches customized full frequency speakers and the super loud 10 watt rated power dedicated for the acoustic-electric guitar. 1/8inch Aux-in Jack for playing backing track, 1/8inch stereo headphone output jack, ensuring subtleness of music and interference-free. Different power supply modes, you can also install the batteries(not including) and use it in the open air. Compact and lightweight body, plus 2 hidden shoulder strap buckles on both sides of the amp for conveniently hanging the shoulder strap(not including), easy to carry. Specifications Power Adapter: EU/US/UK (optional) Main Color: Orange Rated Power:10W Speaker's Size: 5inch Input Jack: 6.35mm Headphone Jack: 3.5mm(1/8inch) Aux-in Jack: 3.5mm(1/8inch) Power Supply: 9V 1200mA Power Adapter or 6 * AA batteries(not including battery) Item Size(L*H*W): Approx. 24 * 17 * 15cm/ 9.4 * 6.7 * 5.9in Item Weight: 1310.7g/ 46.2oz Package Size: 31 * 21 * 16cm/ 12.2 * 8.3 * 6.3in Package Weight: 1858.4g/ 4.1lb Note: Shoulder strap showed in the picture is not included. The AA battery is not included. Package List: 1 * Amplifier 1 * Power Plug 1 * User Manual (English) *Just to be clear on DUTY, (regardless of what warns buyers of ) Canada and the USA have a trade agreement in place that allows US citizens to purchase/import up to $800 dollars per purchase in to the United States from Canada with NO Duty at all, State taxes are another story, some states charge a TAX some do not, BUT NO duty.