This Headphone Amplifier DIY kit Adopts Ne5532 Operational Amplifier, Which Can Ensure Good Sound Quality. Specifications: Quiescent Current: 6Ma Power Supply: Dc9V-18V(Recommend 12V) Audio Input/Output Interface: 3.5Mm Pcb Board Size: 60 * 40Mm / 2.36 * 1.57In Finished Product Size: 70 * 50 * 22Mm / 2.75 * 1.97 * 0.87In Product Weight: 64G / 2.23Oz Package Size: Approx. 10.5 * 7 * 2.5Cm / 4.13 * 2.75 * 0.98In Package Weight: 74G / 2.63Oz Note: This Is a DIY Kit, You Need to Solder It By Yourself. Package List: 1 * DIY Headphone Amplifier kit with Transparent Housing 1 * User Manual(English)
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