Technics EAH-AZ100 Earbuds

Pros

• USB-C ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 5.0
  Uses USB-C for wired charging on the case, called out across reviews as the standard charging method.
• Multipoint connectivity reliability ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 8 reviews 4.7
  Three-device multipoint is a standout feature and is repeatedly described as reliable and seamless; occasional notes mention switching can take an extra second depending on source behavior/settings.
• Maximum volume clarity ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 1 review 4.7
  Plays loudly without falling apart: at least one reviewer highlights very low distortion and clean bass even at higher volumes; overall loudness remains controlled, though clarity can still depend on fit and EQ.
• Bluetooth connectivity stability ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 6 reviews 4.7
  Bluetooth connection is widely reported as stable, including in busy public places, with few/no dropouts in several tests; strength is also noted when switching devices and maintaining links.
• Instrument separation ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 6 reviews 4.6
  Instrument separation and layering are repeatedly described as excellent, keeping complex mixes organized and placing elements in distinct positions; this complements the wide soundstage and contributes to an immersive presentation.
• Sound quality ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.6
  Sound quality is the headline strength: widely described as detailed, clear, spacious, and musically engaging with low distortion; a minority note the stock tuning can be quirky or that the tonal balance changes noticeably when ANC is toggled, making EQ or preferred mode important.
• Codec support ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 4.6
  Broad codec and platform support via Bluetooth 5.3: SBC/AAC plus LDAC and LC3 (LE Audio) are repeatedly cited; overall a strong spec sheet for both hi-res listening and low-latency use, with aptX notably absent.
• Android compatibility ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 2 reviews 4.6
  Android support is strong, with mentions of Google Fast Pair-style pairing and LDAC/LC3 compatibility on capable devices; overall positioned as a high-end alternative to ecosystem-locked options.
• Battery ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.6
  Battery life is a standout: many sources cite about 10 hours with ANC on and roughly 28 hours total with the case, and one lab test reports over 14 hours with ANC off; LDAC use can meaningfully reduce runtime.
• Bass performance ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.5
  Bass performance is frequently called best-in-class for true wireless: deep, tight, and powerful with excellent control and little distortion; a few note it can sound too boosted in default or bass-forward presets if you prefer a leaner presentation.
• Charging ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 10 reviews 4.5
  Charges via USB-C and supports Qi wireless charging; multiple reviews mention quick-charge behavior (about 15 minutes for roughly 90 minutes playback) and full recharge around the 2-hour mark for the buds.
• Noise cancellation adjustability ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 10 reviews 4.5
  Highly adjustable noise control: adaptive ANC option plus manual sliders/levels in the app; easy to fine-tune cancellation strength and switch between ANC, ambient, and off depending on environment and fit.
• Soundstage width ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 4.5
  Soundstage is repeatedly praised as wide, deep, and immersive for earbuds, with a convincing sense of space that helps both music and movies feel expansive.
• Find My ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 1 review 4.5
  Finding features (such as chirp and last-known location via Find My-style support) add peace of mind for misplacement and are viewed as a useful bonus when available.
• Button control usability ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 5 reviews 4.5
  Controls are highly customizable (single/double/triple taps and holds) and cover playback, volume, modes, and assistants; usability is strong overall, with the main complaint being occasional over-sensitivity or mis-registered taps.
• Ear tip size options ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.5
  Typically includes five tip sizes (often XS through XL) and a foam-backed silicone design for sealing; most reviewers find it easy to get a good seal, though tips are somewhat bespoke which may limit third-party replacements.
• LDAC ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 8 reviews 4.5
  LDAC is supported and can improve perceived detail/space on compatible sources; trade-offs include reduced battery life in some modes and potential for slight latency depending on device/settings.
• Weight comfort ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 7 reviews 4.4
  Each bud is around 5.9–6g and many reviewers feel the weight is well distributed and easy to forget; a few still describe the shells as bulky or taking up a lot of ear space despite the relatively low weight.
• Active noise cancellation effectiveness ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.4
  Consistently strong ANC that handles commuting and travel noise well (train rumble, plane engines, office chatter); several reviewers say it comes close to Bose-class performance, though a few still rate it as solid rather than best-in-class.
• Midrange clarity ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 4.4
  Midrange is generally clear and detailed with strong vocal texture; occasional feedback notes vocals can sit slightly behind the bass on some bass-heavy tracks or preferences.
• Equalizer customization ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 4.4
  Excellent EQ control with an 8-band equalizer is repeatedly praised, giving meaningful ability to tune bass/treble balance and tailor the sound beyond presets.
• Treble clarity ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 4.3
  Treble is typically described as airy, detailed, and non-harsh; some reviews want more sparkle/shine or note reduced top-end presence depending on tuning and ANC state.
• Audio-video sync accuracy ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 4 reviews 4.3
  Audio/video sync feedback is mixed: some note a small delay with certain codecs (such as SBC/LDAC), while others report effectively zero lag on iPhone use; LC3/low-latency settings can help where available.
• Sensors ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 2 reviews 4.3
  Wear detection and related sensors (auto play/pause) are commonly included and work as expected in reviews; the feature is typically configurable in the app.
• Design and Aesthetics ★ ★ ★ ★ ★ ★ ★ ★ ★ 7 reviews 4.2
  Design is seen as premium with metal accents and a smaller, more ergonomic body than the prior model; opinions split on styling (some love the classy look, others call it bulb-like or not sleek), and the case finish can scuff/scratch.
• Comfort during long use ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.2
  Comfort is improved versus the prior generation and many reviewers wear them for hours without fatigue; however, some still find the buds bulky or experience ear fatigue after prolonged sessions, especially with smaller ears.
• Build quality ★ ★ ★ ★ ★ ★ ★ ★ ★ 4 reviews 4.2
  Overall build feels premium and well finished, especially the brushed-metal touch areas; minor build complaints center on case magnet strength/pin retention, occasional rattles, and cosmetic scuffing rather than structural fragility.
• Noise isolation (passive) ★ ★ ★ ★ ★ ★ ★ ★ ★ 1 review 4.2
  Good passive isolation when the seal is right, helped by foam-backed silicone tips; fit-dependent, but multiple reviews note it isolates well even before ANC is enabled.
• Voice assistant integration ★ ★ ★ ★ ★ ★ ★ ★ ★ 1 review 4.2
  Supports native voice assistants and lets you map assistant access to touch-and-hold actions; reviewers generally describe assistant triggering and interactions as quick and reliable.
• Touch control responsiveness ★ ★ ★ ★ ★ ★ ★ ★ ★ 6 reviews 4.2
  Touch surfaces are generally responsive, but sensitivity is divisive: some find them quick and reliable, while others report accidental inputs or controls that feel only average.
• Water/sweat resistance rating ★ ★ ★ ★ ★ ★ ★ ★ ★ 3 reviews 4.1
  Earbuds carry an IPX4 rating, suitable for sweat and light rain but not submersion; reviews commonly note the case does not have its own water rating.
• App ★ ★ ★ ★ ★ ★ ★ ★ ★ 11 reviews 4.1
  Technics Audio Connect app is feature-rich (ANC/ambient controls, multipoint behavior, EQ, spatial features, firmware) and usually described as stable; some find the UI clunky or menu-heavy compared with the best apps.
• Transparency mode quality ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 4.1
  Transparency/ambient mode is generally effective and customizable, with a natural-sounding standard transparency when dialed in; drawbacks noted include an unnatural or over-processed voice-focused mode, occasional hiss at higher ambient levels, and some wishing it let in more sound for situational awareness.
• Portability/foldability ★ ★ ★ ★ ★ ★ ★ ★ ★ 2 reviews 4.1
  Overall portability is good thanks to a slim pocketable case and smaller buds than the prior model; a minority still find the case/buds bulky compared with the smallest competitors.
• Stability ★ ★ ★ ★ ★ ★ ★ ★ ★ 8 reviews 4.0
  Fit stability is usually secure once the right tips are chosen and works for commuting and light activity; however, a few reviewers report a looser fit or buds shifting/coming loose during vigorous movement.
• Preset EQ profile quality ★ ★ ★ ★ ★ ★ ★ ★ ★ 6 reviews 4.0
  Preset EQ profiles are plentiful but vary in usefulness: Direct is often preferred for balance, Bass+/SuperBass can be extreme for some listeners, and certain vocal/voice-focused presets can feel odd or less natural.
• Software/setup simplicity ★ ★ ★ ★ ★ ★ ★ ★ ★ 4 reviews 3.9
  Setup is usually straightforward (open case to pair, app for deeper settings) and some mention Fast Pair-like behavior; the lack of a physical pairing button is a recurring annoyance and the app may be needed for full control/updates.
• Included accessories ★ ★ ★ ★ ★ ★ ★ ★ ★ 2 reviews 3.9
  Included accessories are typical for the class: multiple ear tip sizes and a charging cable; some reviewers consider it sufficient, while others wanted extras such as foam tips or more tip variety.
• Carry case quality ★ ★ ★ ★ ★ ★ ★ ★ ★ 8 reviews 3.9
  Case is generally compact and pocketable for the class, but several reviewers want stronger magnets/pins or a more secure lid; minor complaints include rattling, a plain look, and scuff/scratch susceptibility.
• Spatial audio ★ ★ ★ ★ ★ ★ ★ ★ ★ 7 reviews 3.9
  Spatial audio (Dolby Atmos and head tracking) is included and often described as decent or natural; some find it subtle, distracting, or slightly reducing clarity/altering tonal balance, so it tends to be situational rather than always-on.
• Microphone noise reduction ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 3.8
  Noise reduction for calls can be strong (wind and background chatter suppression is often noted), but the AI processing can sound artificial; at least one review reports the noise-reduction system failing badly with cutouts.
• Microphone quality for calls ★ ★ ★ ★ ★ ★ ★ ★ ★ 9 reviews 3.7
  Call quality is inconsistent across sources: some report clear calls and forward voice pickup, especially with Voice Focus AI, while others complain of robotic tone or even severe dropouts/choppy audio in testing.