MTC-40/MTC-40T

Driver:4″ excellent full range speaker
Frequency Response: 150Hz-18,000Hz
Sensitivity(1m,1W): 89dB
Speaker Dimensions: 145x71mm(φxD)
Material: Engineering-Plastic
Impendance: 8 Ohms
Transformer:10w-5w-2.5w-8Ω(100V or 70V)