cr88*CR8*(1305) *CR8.*(10) *CR80*(34) *CR81*(8) *CR82*(19) *CR84*(5) *CR85*(9) *CR86*(9) *CR87*(92) *CR88*(2) *CR89*(13) *CR8A*(4) *CR8B*(41) *CR8C*(18) *CR8DLooking to add another frequency-agile UHF wireless system to your Expedition XP310w or XP312w Rechargeable Portable PA? The Concert 88a Series features Concert 88 Series