Bose QuietComfort 45

The Bose QuietComfort 45 delivers outstanding active noise canceling across all frequencies, effectively blocking everything from aircraft engines to refrigerator hums. Battery life exceeds 21 hours, and the redesigned companion app now includes graphic EQ for sound customization. The over-ear design ensures excellent comfort for extended wear, though the fit can loosen during intense movement. Audio reproduction shows warmth in bass and mid-range, though unit-to-unit driver mismatches raise quality control concerns. SimpleSync enables pairing with other Bose products for shared audio. The integrated microphone captures natural voice detail but struggles with ambient noise separation.

The QuietComfort 45 represents a return to Bose's proven formula after the divisive redesign of the Noise Cancelling Headphones 700. Priced at $329, these headphones retain the beloved lightweight, foldable design of the QC35 series while adding modern conveniences like USB-C charging and improved active noise cancellation. Comfort remains exceptional even during multi-hour listening sessions, with gentle clamping force that accommodates larger heads. The simplified control scheme uses physical buttons rather than touch gestures, offering only two modes: standard ANC and transparency. Battery life has been extended, though the inability to use the headphones while charging frustrates some users. Noise cancellation performance now rivals top competitors, though the lack of adjustable ANC levels and missing 'ANC off' option limit flexibility compared to pricier alternatives.

The QuietComfort 45 delivers the best active noise cancellation available in over-ear headphones, earning an Editors' Choice award. The circumaural design features plush earpads and a cushioned headband for exceptional comfort during extended wear. Physical buttons handle playback, calls, and volume on the right earcup, while the left earcup toggles between Quiet and Aware modes—though disabling both simultaneously isn't possible. Bluetooth 5.1 supports AAC and SBC codecs with seamless pairing through the Bose Music app, which recently added adjustable EQ. Battery life estimates at 24 hours. The compact zip-up case accommodates folded headphones, and a 3.5mm cable enables passive listening.

The Bose QuietComfort 45 delivers excellent noise cancellation and exceptional comfort for extended wear. Controls are intuitive with physical buttons for playback and a dedicated ambient aware mode. Battery life reaches 25 hours. Audio quality falls short of audiophile standards with lackluster clarity. Call quality disappoints despite beam-forming microphones. Occasional Bluetooth dropouts occur. A post-launch firmware update added adjustable EQ, addressing earlier criticism about sound customization. These headphones prioritize ease of use and comfort over advanced features, making them accessible but less versatile than alternatives.

The Bose QuietComfort 45 maintains the familiar comfort and ease of use that defined its predecessors. Weighing 240 grams with well-distributed weight, the headphones avoid fatigue during extended wear. The design shifts from micro-USB to USB-C for charging, while the exterior loses the perforated ear cup look for a smoother plastic finish. Physical buttons replace touch controls, offering reliability in cold weather. However, ANC cannot be fully disabled—only toggled to an "aware" passthrough mode. Firmware updates have added Spotify direct launch capability. The package includes a travel case, 3.5mm-2.5mm cable, and USB-A to C cable, though airplane adapters are notably absent.

The Bose QuietComfort 45 delivers effective noise cancellation and 24-hour battery life in a comfortable, travel-friendly design. Visually nearly identical to its QC35 II predecessor, updates include USB-C charging, smoother headband padding, and minor structural reinforcements. However, the sound quality falls short of class leaders, with criticism for dynamics and timing. The feature set remains sparse with no aptX Bluetooth support. While solid for noise cancellation, competitors offer superior audio performance at similar prices.

The QuietComfort 45 offers incremental improvements over its predecessor at a lower $329.99 price point. Multi-point Bluetooth 5.1 connection allows simultaneous pairing with two devices, with automatic source switching for incoming calls. The signature sound profile emphasizes long-term listening comfort through moderately articulate bass, natural mid-range, and gently rounded treble that reduces ear fatigue during extended sessions. Bose recalibrated the active noise-cancelling system to address mid-range frequencies common in offices and transit environments, and added an extra microphone with improved beam-forming for clearer voice calls. The physical comfort and lightweight design remain strengths, though EQ adjustments require using device settings rather than a dedicated app.

The QC45 delivers exceptional comfort and effective noise cancellation in a lightweight 240g design with softer synthetic leather cushions. Audio quality is balanced and immersive via TriPort acoustic architecture, though lacks user-adjustable EQ. Bluetooth 5.1 with AAC codec support excludes aptX variants. Physical buttons replace unreliable touch controls. Battery life is solid, but the plasticky build feels dated and the ANC offers no adjustment levels. Missing smart features expected at this flagship price point. Best purchased at discount rather than full price given newer Bose alternatives now exist.

The QuietComfort 45 delivers best-in-class noise cancellation that effectively muffles midrange frequencies like voices and HVAC noise. At 238 grams, it remains lightweight and arguably the most comfortable over-ear option available, with physical buttons that work reliably in cold weather. The design closely follows its QC35 II predecessor but adds USB-C charging, smoother headband material, and six microphones (four beamforming for voice) that noticeably improve call quality. New features include multipoint pairing for two simultaneous devices and an Aware transparency mode. However, it lacks an on-ear detection sensor for auto-pause functionality.

The QuietComfort 45 delivers very good sound quality with excellent active noise reduction across all frequencies. Bass has good impact but sounds prominent and boomy, while midrange appears thin, etched, and grainy. Treble extends well but comes across as sizzly and somewhat smeared. The closed design effectively reduces outside noise and sound leakage, with ANC functioning independently of music playback. Comfort shows mixed results: light pressure around ears, potential heat buildup during extended use, and possible fit issues for larger heads. Feature set includes Bluetooth multipoint for two devices, 8-device pairing memory, quick charge (15 minutes for 3 hours), and comprehensive app control for EQ, modes, and firmware updates.

The $329 Bose QuietComfort 45 delivers enhanced active noise cancellation, refined sound, and 24-hour battery life in a familiar, comfortable design. Metal hinges improve durability, while laser-etched branding replaces the previous reflective logo. Plush padding remains gentle for extended wear, though fatigue sets in around four hours. Controls mirror the QC35 II with a three-button module and voice assistant support. ANC cannot be disabled, and call quality has declined slightly compared to predecessors. The Bose Music app enables personalization and EQ adjustments. Despite missing some features from earlier models, it ranks among the best noise-cancelling headphones in the QC series.

The reviewer, a professional music producer with 10 years of experience, considers the QC45 a hidden gem value due to its reduced price as a previous-generation model. Stock sound quality is criticized for piercing treble around 6-8 kHz that causes sibilance, but this is largely fixable through the Bose app's 3-band EQ. With proper EQ settings (Bass: -1, Mid: +2, Treble: -6), the sound becomes fun and balanced. Bass performance is surprisingly good out of the box—big, punchy, and impactful though somewhat loose. Mids are enjoyable without adjustment, with male vocals and electric guitars sounding full and realistic. Comfort and noise-cancelling remain world-class competitive despite the model's age.

The Bose QuietComfort 45 maintains the proven design of its legendary predecessor while introducing subtle improvements. USB-C charging finally replaces the outdated micro-USB port, and the headband padding has been increased to 30mm for enhanced comfort. Build quality remains excellent with glass-fiber-reinforced nylon construction. The headphones fold compactly for transport and include a leather carrying case. Battery life reaches up to 24 hours. Controls have been haptically improved but remain familiar, with dedicated buttons for ANC/transparency modes and Bluetooth pairing. The four external microphones handle ambient noise detection for the active noise cancellation system.

The reviewer spent several weeks with pre-launch units and found them to deliver the expected Bose experience with meaningful improvements. The headphones feel lighter and more comfortable than their predecessors, enabling all-day wear without fatigue. Noise cancellation proved exceptional—completely masking a loudly malfunctioning washing machine during testing. New features include Bluetooth 5.1, USB-C charging, longer battery life, and an awareness button. The sound quality complemented hybrid work needs, creating consistent peaceful environments across home and office settings. The design remains familiar and broken-in feeling from first wear.

The Bose QuietComfort 45 maintains the legendary comfort and class-leading noise cancellation of its predecessors while delivering refined, neutral sound. At 240 grams with unchanged velvety ear pads and folding design, it excels as a travel companion. Battery life extends to 24 hours with Bluetooth 5.1 and improved call quality from an additional microphone. However, the feature set remains deliberately minimal—no auto-pause, air pressure sensors, or hi-res codec support beyond AAC. The sound prioritizes polished perfection over character, with tight bass and accurate mids but less nuance than competitors. For Bose loyalists seeking reliability over innovation, this evolutionary update suffices.

The Bose QuietComfort 45 delivers exceptional comfort that surpasses current competitors, with a lightweight design and gentle clamping force that allows all-day wear without fatigue. The physical buttons and smooth slider power switch provide reliable control, while six strategically positioned microphones enable excellent call clarity—a notable improvement over the 35 II. However, the unchanged drivers from the previous generation produce restrained bass and lack the punch of rival offerings. Missing features include water resistance, modern codecs like AptX, and EQ customization through the app. The noise cancellation remains effective but offers only binary ANC or Aware modes without gradation.

Bose's QuietComfort 45 maintains the proven design of its predecessors while making targeted improvements. Priced at $329, it's $30 less than the QC35 II it replaces. The familiar aesthetic remains largely unchanged—ear cups still rotate and fold for storage, with soft, cushiony ear pads and headband. Updates include removing pleats around ear pads for a cleaner look, closing open spaces for smoother aesthetics, and swapping micro-USB for USB-C charging. The left ear cup button now cycles between Quiet (ANC) and Aware (ambient sound) modes instead of summoning voice assistants. Physical controls on the right handle playback, calls, and volume. Bose prioritized enhancing ANC performance and adding ambient sound mode over flashy new features, with adjustable voice levels improving call quality.

The reviewer tested the QuietComfort 45 primarily in office and subway environments rather than flights. Setup proved intuitive without consulting the guide, taking about two minutes. The Quiet Mode delivers exceptional noise cancellation, rendering office conversations nearly inaudible and eliminating subway announcements entirely. Aware Mode provides quick environmental awareness when needed. Physical comfort stands out for all-day wear with lightweight construction, flexible build, and smooth ear cushions that resist overheating. Tactile controls work reliably without accidental inputs. Battery life appears closer to 20 hours than the claimed 24. Multi-device connectivity failed to function as advertised. Audio quality remains clean and balanced but lacks power and dynamism, with music sounding somewhat distant despite clarity. Sound leakage occurs at higher volumes when removing the headphones.

The Bose QuietComfort 45 represents a refinement of Bose's proven noise-canceling formula rather than a radical redesign. After weeks of testing, the reviewer found them exceptionally comfortable for extended wear, even during a four-hour flight with glasses on—a rare achievement for over-ear headphones. The 24-hour battery life, dual-device pairing, and effective ANC with Aware Mode make them practical for travel and work-from-home scenarios. Sound quality is described as crisp and neutral, though not class-leading. The companion app offers basic controls but lacks an equalizer. Overall, they prioritize comfort and reliable performance over cutting-edge features.