The Orange Amplifier has been pursuing great guitar tones and quality for over 50 years, re-entering the world of acoustic amplifiers. Easy to handle in any situation, the lightweight, portable battery-powered acoustic combo amplifier continues the orange tradition with a simple yet versatile product design. Crush Acoustic 30 is designed for clear sound with its angled construction and 30W output. Two channels with built-in revers and chorus that can be adapted to both channels, and use global notch filters to control feedback efficiently and accurately and focus on performance. The Crush Acoustic30 will cover all of them whether youre on the road, playing on the stage, or exercising at home so you can get your hands out of the way. The channel 1 for acoustic guitar is equipped with a -10 dB PAD switch, a color switch that enhances the presence of the sound and cuts the midrange slightly, and a 3-band EQ. Channel 2 can be used for both microphones and instruments, equipped with a MIC/LINE switch, a Phantom power switch for power supply when using condenser microphone, and a 2-band EQ with treble and base. The built-in reverb and chorus can adjust the amount of application to two channels with the "BLEND" knob. Notch filters adjust the frequency of the narrow Q filter to remove certain frequencies and help prevent feedback. Designed specifically for the Crush Acoustic 30, the 8" Voice of the World speaker delivers clear sound even at loud volumes with 30 watts output. Equipped with a 0.1 inch (3.5 mm) Aux-In terminal that can connect digital audio players, etc. You can also play while playing the backing track. 10 AA alkaline batteries provide 3 hours of full volume, 5 hours at 50% volume, 8 hours at low volume. It can also be used with DC adapter, and the battery does not supply power when connected to the adapter.