- S66E radio is an improved version of the S66 radio, with better performance. - It features an A-level intermediate discharge and detection circuit for more efficient operation. - The radio uses a front input transformer, two power amplifiers, and transistors 9013 for amplified output. - The headphone socket has a diameter of 5mm and is suitable for universal purpose headphones. - The S66E type kit adopts a 6-tube superheterodyne receiving mode with a classic and easily debuggable circuit. - Material: ABS - Size: Approx. 125 x 69 x 29 mm / 4.9 x 2.7 x 1.1 in - Working Voltage: 3V (2 x AA battery) - Frequency Range: 535-1605KHz - Sensitivity: Better than 3mV / m - Selectivity: 14dB - Whole Machine Current: Less than 13mA - Output Power: More than 150W