Model Number: MV-20SD Key Specifications/Special Features: Country of origin: Taiwan design35 Watts max (rated 25 Watts)Effective distance: 500 metersPower source: Size C x 10 piecesPower duration: approximately 6 hoursMicrophone: dynamic(Unit Directional) dimensions:Horn diameter: 225mmTotal length: 343mmWeight (without battery): 1020g+/-50g (lightweight)

Specifications:	MP-5N	MV-10SD	MV-16SD	MV-20SD
Max power output	10W	25W	35W	35W
Effective distance	250m	250m	500m	500m
Power source	8 AA batteries	10 AA batteries	10 C batteries	10 C batteries
Power duration	about 6 hours	about 8 hours	about 8 hours	about 8 hours
Microphone	dynamic	dynamic	dynamic	dynamic
Horn diameter	195mm	203mm	225mm	225mm
Total length	320mm	350mm	368mm	343mm
Weight (without battery)	820g	950g	1,040g	1,020g