Poly BW 3220 USB-C HS +USB-C/A (Bulk)

The Poly Blackwire 3220 Bulk (8X228A6) is an on-ear stereo wired headset designed for PC connectivity through USB Type-C or the included USB Type-C to USB Type-A adapter. It features 28 mm speakers with a 32-ohm impedance and a speaker bandwidth of 200 Hz to 6.8 kHz in speech mode and 20 Hz to 20 kHz in media mode. The headset incorporates a noise-cancelling microphone with a bandwidth of 100 Hz to 10 kHz. The microphone boom measures 130 mm and rotates through 270 degrees. Speaker sensitivity is specified at 6 dB RLR, while microphone sensitivity is 10 dB SLR and the signal-to-noise ratio is greater than 24 dB. The headset uses foam ear cushions. The cable consists of 64 cm from the inline module to the headset and 90 cm from USB to the inline module, providing a total USB-to-headset cable length of 154 cm.

The Blackwire 3220 Bulk provides inline controls for call answer/end, call ignore/on hold, redial, microphone mute, and volume adjustment. It supports Windows 10, Windows 11, macOS, Android, and iOS and incorporates SoundGuard acoustic protection technology. The headset weighs 119 g with cable and 92 g without cable. The package includes the headset, USB Type-C to USB Type-A adapter, and user guide. HP/Poly specifies the Bulk version with the same core Blackwire 3220 headset configuration, while identifying this SKU specifically as the Bulk configuration. The headset also supports Dynamic EQ, which HP/Poly specifies for optimizing voice-call quality and automatically adjusting equalization for music and multimedia playback. Its USB-C connection and tethered USB-A adapter provide the listed PC connectivity options.