First, the ATH-M50xBT2 takes advantage of USB-C charging in order to be compatible with newer devices and offer a quick charge feature that will provide 3 hours of playback after a 10-minute charge.  The ATH-M50xBT2’s battery has been upgraded from the previous version and will provide 50 hours of playback when fully charged. Call quality is also greatly improved with the addition of dual mics and beamforming technology for exceptional vocal pickup.

Other new, notable features are a low latency mode, Google Fast Pair, multipoint pairing, and access to more customizable options (such as equalization and L/R balance) via the A-T Connect app. The ATH-M50xBT2 also supports Sony’s LDAC, a superior Bluetooth codec with transfer rates up to 990 kbps. Below is a comparison chart that illustrates the key differences between the ATH-M50xBT and the new ATH-M50xBT2.

	ATH-M50xBT	ATH-M50xBT2
Battery Life	40 Hrs	50 Hrs
Quick Charge	N/A	3 Hrs on 10 min Charge
Charge Port	Micro USB-B	USB-C
Microphone	Single Omnidirectional	Dual Beamforming
Electronics	Integrated Chip	Bluetooth chip and dedicated DAC/AMP (AK4331)
Google Fast Pair	N/A	Yes
Multipoint Pairing	N/A	Yes
Voice Assist	Alexa, Google Assistant, Siri	Alexa Built-In, Google Assistant, Siri
A-T Connect Capabilities	Change Codec Support, Locate Headphones	EQ (save to headphones), L/R Volume Balance, Fine Volume Control (in 16, 32 or 64 steps), Low Latency Mode, Change Codecs, Locate Headphones
Low Latency Mode	N/A	Yes
Codec(s)	SBC, AptX, AAC	SBC, AAC, LDAC
Sidetone	N/A	Yes
Touch Control	Capacitance Switch	Tactile Switch
Wired Cable	Cable with mic and control for wired use	Standard cable for wired use