Y splitter adapter for quick disconnect (QD) headsets that allows two headsets to connect to a single device for training, supervision, and shared calls. Compatibility Compatible with all Plantronics quick disconnect headsets such as H251, H251N, H261, H261N, HW291N, HW301N, HW710, HW720, and all Hseries and HWseries models. Also compatible with the samestyle QD headsets like TruVoice, VoiceJoy, Wantek, Daily QD headset. Not compatible with Jabra GN, Yealink, MAIRDI, or Sennheiser EPOS headsets. Key benefits Shared listening and speaking: Lets two users listen and speak on the same call simultaneously, enabling realtime coaching, verification, and collaborative handling of customer interactions. Plug and play: Connect two QD headsets and attach to a computer with a USB QD adapter or to telephones with a QD Polaris cable. No software or reconfiguration required. Inline controls: Professional inline mute switch and volume controls provide quick access to call management without reaching the host device. Flexible length and connectivity: 131 cm 4.3 ft cable gives room for comfortable movement during training or supervision sessions. Built for durability: PU outer jacket and a flexible cable protect purity copper conductors, providing reliable insulation, good toughness, and a longer service life. How it solves common problems Eliminates the need to hand off calls or interrupt the flow of a live conversation during training. Allows supervisors to monitor and coach without being intrusive, improving onboarding speed and quality assurance. Supports multiple device types through adapters so the same splitter can be used with PCs and desk phones. Typical use scenarios Call center training: A trainer and a agent listen and speak on the same customer call for live guidance and correction. Supervision and quality monitoring: A supervisor joins an agent on calls to provide immediate feedback or to take over if needed. Shared support or escalation: Two support staff collaborate on complex technical or sales calls, sharing audio and controls. Specifications Cable length: 131 cm / 4.3 ft Connectors: Quick disconnect (QD) Y splitter for two QD headsets; connects to host devices via USB QD adapter or QD Polaris telephone cable Controls: Inline mute and volume adjustment Construction: PU jacket, flexible cable, purity copper conductors Includes QD Y splitter adapter (131 cm / 4.3 ft) This adapter provides a practical, durable way to connect two QD headsets to one device for training, supervision, and collaborative calls while maintaining easy access to mute and volume controls.