O2, O3, O5, O7 Or O9 Control Head Power Cables; Figure 2-46. Hkn6188_ Power Cable With External Speaker Connector; Figure 2-47. Hkn6187_ Power Cable With External Speaker Connector, Record Audio Output Jack (2.5 Mm) And Earphone Jack (2.5 Mm) - Motorola ASTRO APX O2 User Manual