A Direct Connect Solution for Plantronics H-Series Headsets on Specific Phone Models Limited compatibility: please call to verify if this is the correct cable for your phone Features a Quick Disconnect to modular 4-pin connection on opposite end Smokey colored modular plug and has A-10 stamped on the quick disconnect 10′ coil cord Not compatible with all phones and can have potential transmit and receive volume issues Does not provide any additional incoming volume (no amplification) Incoming volume is controlled on the telephone Compatible with Wideband audio direct connect solutions in addition to being compatible with narrowband phones using H-series headsets An amplifier is always recommended instead, because an amplifier offers more incoming volume control, transmit adjustment control, significantly better hearing protection, and overall better sound quality Date code stamped on the quick disconnect 1 year manufacture warranty BTP Model: PL-A10MFR Part: 66268-03,85T18AA#ABA
