HQsing 3-in-1 Amplifier PRO-4500. This is so special, a 3 in 1 device we could offer to you so far. High wattage output so you can enjoy max volume, especially with JBL series JRX 212 or 215. The elegant design along with the touch screen helps you handle the device easily. 30-days Risk Free Trial Ð? N phí trong 30 ngày. O hành 1 d? I 1 trong 365 ngày. FREE 24/7 Lifetime customer service as long as the item still working. Features and further details. Intergrated digital processor for karaoke purpose. Total power rate 2500W. Equipped with 2 high-quality microphones. Touchscreen for easy control along with remote control. Offer various inputs: Bluetooth, HDMI, BGM, USB. Work great with JBL series JRX (212, 215). Frequency Band 640 MHz – 690 MHz. Operating Range ~ 50 meters. Frequency Increment 250 kHz. Frequency Bandwidth 50 MHz. Dimensions (LxWxD) 535 x 480 x 225 mm. We will respond to you within 24 hours and do our best to help you out! WE OFFER 24/7 CUSTOMER SERVICE!! This includes all original packaging, accessories, and documentation. Items that do not have the original packaging cannot be accepted for return.