(3-65 wpm) controls. Weight adjusts 25-75%. Sidetone (300 -1000Hz) has LM386 audio ... amp for external speaker. Iambic A or B, fully auto or semi-auto ... . Use 9V battery. Drives external speaker/phones. 1 3/4x4x3 1/2 in. Intermediate ... ! Covers 75/80, 49, 40, 30, 31, 20, 25, 22, 19, 17, 16, 15 and 13 Meter bands. ... eliminates squelch tails. Built-in speaker, squelch, tone, volume controls.19 1/4 ... radio operators in your area. Plug in speaker or headphones for clear reception. 1 3/ ... an outstanding 50 dB. 1 Watt amplifier. Speaker/Phone jacks. 12 VDC at 300 mA. 1 3/4x4 ... 1 watt audio amplifier to drive speaker. 8 poles active IC filtering uses ... phones, walkie-talkies, wireless intercoms and more! Electronic tuning covers just ... in a portable CD player and a pair of 8 Ohm speakers.Fill your room with music. 12V ...