Description:<br />The two-channel ECHO microphone amplifier uses professional ECHO imported embedded control chip， well-tailored for Karaoke， recording， hosting and reading. The special frame structure and gold-immersed double-sided circuit board can effectively screen noise and hum to ensure clear and soft sound. It is made of aluminum alloy and treated with surface oxidation. The two-channel mixer microphone amplifier permits plug in and plug out without any need of connector. <br /><br />Main Features:<br />● Made of good quality metal， durable to use.<br />● Volume gain knob is well-designed and user-friendly.<br />● Added with ECHO Switch， ECHO time and ECHO depth are designed in high-end control system to meet all high-impedance microphone drive demands. <br />● The servo voltage stabilizing circuit and two-channel signal input are well-designed. <br />● The two-channel PreAmp output can be used as the pre-amplifier of high-end microphone. <br />● The interface panel reserves double-microphone interface in 6.5mm / 3.5mm.<br /><br />    Specifications<br />Specification<br />	 Type: Wired                                                  <br />                        Product Weight: 0.131 kg                                                  <br />                        Package Weight: 0.198 kg                                                  <br />                        Product Size (L x W x H): 9.8 x 6.8 x 2.8 cm / 3.85 x 2.67 x 1.10 inches                                                  <br />                        Package Size (L x W x H): 20.0 x 18.0 x 5.5 cm / 7.86 x 7.07 x 2.16 inches                                                  <br />                        Package Contents: 1 x A907 2 Channel PC Microphone Sound Amplifier， 1 x USB Power Cable， 1 x Audio Converter Cable                                                	<br /><br /><br /><br />                                                                                            <br />