The ASTRO A40 TR Headset + MixAmp Pro TR is the premier audio solution for esports athletes, content creators and streamers. It meets esports athletes rigorous standards for audio fidelity, comfort and durability. The MixAmp Pro TR features Dolby Digital Surround Sound processing and enables lag and interference-of game sound and voice communication. The A40 TR arrives as an open-back headset featuring a swappable precision mic and customizable Speaker Tags. For loud tournament environments, the headset transforms into a closed-back, noise-isolating headset by adding a Mod Kit (sold separately) with sealed Speaker Tags, synthetic leather ear cushions and a voice-isolating microphone. FeaturesTuned With Astro Audio V2ASTRO headsets are specifically tuned for gaming. We work closely with developers, pro gamers and streamers to deliver dialogue, music and in-game sounds as they were intended to be heard. ASTRO Audio V2 provides a neutral, smooth and extended frequency spectrum for detailed, true-to-life imaging. This means non-fatiguing highs, clear mids and tight distortion-bass for balanced resolution.Superior Fit and FinishDesigned for marathon gaming sessions, the A40 TR Headset is lightweight, comfortable and built to last.Swappable Boom MicrophoneHighly sensitive uni-directional mic that focuses on your voice and minimizes background noise.Customizable Speaker TagsThe magnetic Speaker Tag system lets you personalize your pair. Buy s or design your own using the Speaker Tag Customizer.USB Soundcard FunctionalityUSB soundcard functionality with game:voice balancing, game and voice streaming. No Optical needed.MOD Kit ReadyFeatures synthetic leather noise-cancelling ear cushions, voice isolating mic, padded headband and closed back Speaker Tags.Dolby AudioDolby Audio delivers cinematic, 3D gaming audio experience, and broadcasts Dolby out to streaming audiences.Game: Voice BalanceA feature that ASTRO pioneered, game:voice balancing allows easy adjustment of the ratio of game audio to voice chat players experience.Digital Daisy ChainFaster than the speed of sound, this fully digital connection enables interference and lag-local voice communications. SpecificationA40 TR HEADSETPrimary SpecificationsConnector: 3.5mm Mini-stereo and PC SplitterBoom Mic: 6.0mm Uni-directionalPhysical SpecificationsWeight w/o Cable: 369gTechnical SpecificationsTransducer Principle: Dynamic, Open 40mm Sound Driver tuned for GamingFrequency Response: 20 - 20,000 HzNominal Impedance: 48 ohmsDistortion: THD MIXAMP PRO TRPrimary SpecificationsInputs Rear: TOSLINK Optical Cable, USB micro-B (audio/power), 3.5mm Stream Output (3 pole TRS, with internal ground loop filter), 3.5 mm Aux Out/In (4 pole TRRS, for mobile phones),Two digital daisy chain portsInputs Front: Headset connector (3.5 mm TRRS)Physical SpecificationsWeight: 296 gDimensions: 137 mm x 80 mm x 38 mmTechnical SpecificationsSound Power Out: 100 dBSPLSample rates:Game audio: 48 kHz @ 16 bitChat audio: 16 kHz @ 16 BitUSB Standard: USB 2.0 Full Speed and USB Audio 1.