Car Battery Eliminator for Kenwood TK2160 TK3160 TK3170 TK3173 NX3300 Radio
(battery model is KNB-25A ). TK-3360, NX3300, NX3320. Enable s the radios to be used from a 12-13.8VDC power source (cigarette lighter plug, portable 12V power kit, etc). Has built-in protective Noise filter circuitry.