Sony INZONE Buds vs Sony INZONE H9 II

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INZONE Buds compared with INZONE H9 II

	SonyINZONE Buds	SonyINZONE H9 II
Overview
Released
Released	October 2023	August 2025
Sound
Type
Type	In-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Driver size
Driver size	8.4 mm	30 mm
Bluetooth codecs
Bluetooth codecs	LC3	SBC, AAC and LC3
Chip
Chip	Sony L1	–
Drivers
Drivers	8.4 mm Dynamic Driver X with different diaphragm dome and edge materials	30 mm driver with a carbon composite diaphragm, based on the WH-1000XM6's driver; 5 Hz to 20,000 Hz (wired, switched off); sensitivity 111 dB/mW switched on, 100 dB/mW switched off; impedance 440 Ω switched on, 21 Ω switched off (1 kHz, wired)
Noise cancelling detail
Noise cancelling detail	–	Noise-cancelling microphones on both ear cups; Ambient Sound Mode; NC/AMB button
Audio features
Audio features	INZONE Hub for Windows provides equaliser, 360 Spatial Sound for Gaming, sound-field personalisation from ear photographs and sound-tone personalisation using test tones and feedback microphones; compatible with PS5 Tempest 3D AudioTech	360 Spatial Sound for Gaming; equaliser and settings in INZONE Hub (PC) and the Sound Connect app; LE Audio (LC3)
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 11 hours	Up to 20 hours
Battery life detail
Battery life detail	USB-transceiver playback up to 11 hours with noise cancellation on or 12 hours off. Bluetooth LE Audio playback up to 18 hours with noise cancellation on or 24 hours off. Total with case is published only with noise cancellation off, up to 24 hours through the USB transceiver or 48 hours through LE Audio; no ANC-on case total is inferred.	Game and chat over the USB transceiver, 20 hours with noise cancelling on or 30 hours off; game only, 24 hours on or 40 hours off; with a phone also connected over Bluetooth, 18 hours on or 24 hours off; on the headphone cable, 30 hours on or 48 hours off
Fast charging
Fast charging	Approximately two hours to charge the earbuds fully; Sony states five minutes charging provides approximately one hour of use	5 minutes of charging gives about 60 minutes of use; full charge in about 3.5 hours
Design
Weight (each earbud)
Weight (each earbud)	6.5 g (better)	260 g
Water and sweat resistance
Water and sweat resistance	IPX4	–
Bluetooth
Bluetooth	5.3	5.3
Two devices at once
Two devices at once	–	Yes
Headphone cable
Headphone cable	–	Yes
Controls
Controls	Customisable touch controls for volume, microphone mute and other functions; available assignments vary with connection mode and device	Volume dial, NC/AMB button and microphone on/off button with a red mute indicator
Microphones
Microphones	Built-in microphones with AI-based voice noise reduction	Detachable boom microphone (cardioid, with windscreen, about 13 g) with AI noise reduction and super wide band voice; separate noise-cancelling microphones on both ear cups
Fit and ear tips
Fit and ear tips	Four ear-tip sizes; Sony's white and black earbuds weigh approximately 6.5 g each including medium tips, while Glass Purple weighs approximately 6.7 g each	Closed, circumaural; redesigned headband with slider knobs; about 273 g with the boom microphone attached
Water resistance detail
Water resistance detail	IPX4 applies to the earbuds	No water resistance rating
Works with
Works with	USB-C 2.4 GHz transceiver with PC and PS5/mobile modes; Sony claims below 30 ms transceiver latency. Bluetooth 5.3 LE Audio with LC3 only, without Bluetooth Classic; Sony states iPhone and iPad do not support direct Bluetooth connection. Compatible phone app support was added on 3 April 2024, requires updated firmware and LE Audio, and is unavailable over the USB transceiver; firmware updates use INZONE Hub on PC.	USB-C transceiver (2.4 GHz) for PC, PS5 and USB-C smartphones, usable at the same time as a Bluetooth connection to a phone; Bluetooth Classic and LE Audio; INZONE Hub for PC; Sound Connect app for iOS and Android; headphone cable (4-pole CTIA plug) with the microphone; Bluetooth 5.3 Class 1, about 10 m range; A2DP, AVRCP, HFP and HSP
Colours
Colours	White, black or Glass Purple; colour variants remain configurations of the same model	Black, White
In the box
In the box	Earbuds, charging case, USB-C transceiver, USB charging cable and ear tips	Headset, USB-C transceiver, detachable boom microphone with windscreen, USB-C cable (USB-A to USB-C), headphone cable (about 2.0 m), soft pouch, documents