PRODUCT GRADING (Grade B) - Good Condition > Very light scratches and light signs of use > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX Coolmusic AC20 Amplifier, 20 Watt Portable Bluetooth Amp for Guitar with Reverb Chorus Effect, 3 Band EQ Genuine Power Cable PRODUCT DESCRIPTION COOLMUSIC BP80 Series is a nice choice when it comes to powerful lifelike sound on-the-go! BP80 is a high-power, ultra-portable sound system including a built-in 2-way speaker, wireless easy-pair Bluetooth technology. With an immense 100W dynamic power amplifier fused with a robust 8-inch woofer and wide-dispersion tweeter, experience rich, vibrant and lifelike sound that guarantees to get your party moving!Built-in sound card recording function,with a \"phone in\" interface.So that whenever you held a Mobile live broadcast,just please connect your mobilephone to the amplifier through \"phone in\" ,the true origin sound quality of the amplifier will directly show to your Live room fans,Lossless.Meaning,will solate surrounding noise,just only your own sound will show to your fans,Really a walking music studio!With a Mute button,No longer will disturb the other people.Whenever or whereever you have the urge to create music,just do it,only need to press the mute button,then you do not need to worry that will bring any trouble to anyone. 2 Channel - It is able to plug in 2 different instruments together, such as guitar, microphone, etc. 2 Band Balance meet the needs of various music style and the built-in reverb effect ensures natural and echo-like sounds 20 Watt - It has enough power for your needs, able to fit in different situations like live, studio, solo performance and practice, giving you more freedom to control your sound to be heard over the other musicians without pushing your amp out of its optimal operating range Bluetooth - Provide with options of wireless connection, phone input, CD/MP3 input, and USB plugin, it is able to fit in the different connection types, it is convenient and useful with its master control, headphone input and DI output Portable - 15*14*13 inches midsize and 16 lbs allow a less burden performance, and 2 coaxial speakers, 8 woofers and 2 piezo tweeters can deliver a big, full and natural sounding for acoustic guitar and microphone PRODUCT INFORMATION Built-in Bluetooth, MP3 player and FM radio function, CD/MP3 Input Two coaxial speaker, 8\" woofer and 2\" piezo tweeter, 20watts output Effects: Reverb, gain, treble, delay, mix and regen Monitor amp, can use with stand, MP3 input jacks, Aux input and DI output. Headphone jack