Marshall MONITOR III A.N.C. Over-Ear Wireless Headphones
Unmatched Battery Life. Pure Marshall Sound.
Take your music further with the Marshall MONITOR III A.N.C., a premium over-ear Bluetooth headphone built for immersive sound and enduring comfort. Experience up to 70 hours of playtime with ANC and a massive 100 hours without, keeping you unplugged for days. When it’s time to recharge, just 15 minutes of quick charging gives you 12 hours of playback.
Advanced Noise Control, On Your Terms Switch between complete immersion and full awareness. Active Noise Cancellation (ANC) blocks out distractions, while Transparency Mode lets ambient sounds in when you need to stay connected to your surroundings.
Marshall Signature Sound with Spatial Audio Enjoy the iconic Marshall sound profile powered by Dynamic Loudness, which intelligently adjusts treble, mids, and bass for a rich, consistent experience at any volume. Enhanced by Soundstage Spatial Audio, your music moves beyond your ears into a three-dimensional soundscape.
Smart Controls, Seamless Experience With the multidirectional control knob, you can play, pause, adjust volume, answer calls, or skip tracks effortlessly. The customisable M-button offers fast access to Spotify Tap, your favourite EQs, or Spatial Audio with a single touch.
Designed for the Road Crafted with Marshall’s iconic black-and-gold design, these headphones are foldable, rugged, and travel-ready, protected in a durable hard case. The fit is all-day comfortable with plush, padded ear cushions.
Eco-Conscious Materials Made with 66% recycled plastic and sustainable vegan leather, the Monitor III A.N.C. supports long-term use with authorised repair services and replaceable parts via Marshall’s website.
Future-Ready Connectivity Equipped with Bluetooth 5.3 and LE Audio-ready technology, these headphones are set for the next generation of wireless audio sharing, including Auracast™.
Specifications At a Glance
Playtime: 70 hrs (ANC on), 100 hrs (ANC off)
Quick Charge: 15 mins = 12 hrs
Driver Size: 32 mm dynamic drivers
Frequency Response: 20 Hz – 20 kHz
Controls: ANC Button, M-Button, Control Knob
Connectivity: Bluetooth 5.3, USB-C to 3.5mm
Weight: 250g
Included: Hard case, charging & audio cables
Rediscover what wireless freedom sounds like with the Marshall MONITOR III A.N.C.—where timeless design meets cutting-edge audio.
Marshall MONITOR III A.N.C. – Specifications
🔊 Audio Specs:
Driver Type: Dynamic
Driver Size: 32 mm
Driver Sensitivity: 117 dB SPL (187 mV @ 1kHz)
Impedance: 35 Ω
Frequency Response: 20 Hz – 20,000 Hz
Codecs Supported: SBC, MPEG-2 AAC
Custom EQ via App: Yes
🔋 Battery & Charging:
Playtime (ANC On): Up to 70 hours
Playtime (ANC Off): Up to 100 hours
Quick Charge: 15 minutes = 12 hours playtime
Charging Time: Approx. 2.5 hours
Battery Preservation Mode: Yes
Wireless Charging: No
📶 Connectivity:
Wireless: Bluetooth 5.3
Bluetooth Range: 10 m / 30 ft
Wired Option: USB-C to 3.5 mm
Bluetooth LE Audio-Ready: Yes
Marshall Bluetooth App Support: Yes
🎛 Controls & Features:
Multidirectional Control Knob: Yes (Volume, Playback, Calls)
Warranty Period: 1 Year from the date of Invoice
Covered: Manufacturing Defects Only
Warranty Form: https://www.theaudiostore.in/pages/warranty-claim-form
For over 60 years, Marshall has been at the heart of music history—crafting iconic amplifiers that shaped the sound of rock. From its humble beginnings in a London drum shop to powering stages worldwide, Marshall’s legendary design and unmistakable tone continue to inspire generations. Today, the brand extends beyond amps into headphones, speakers, artist services, and more—always staying true to its mission: to be the home of loud.
It's warm/bassy sound is what I like the most. The emphasis is more on sub bass but also not in ur face. Mid bass also sounds clean without being shouty. Treble is really smooth with slight sparkle which is great if ur treble sensitive. I can listen to these for hours at work without being distracted or fatigue. Good fit and build quality. Any genre sounds good on this iem.
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As redditors said its good
As redditors said its good. But might be boring at initial iem try. App has lot of EQs to tweak and play
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Glad I took this step
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Worth
Bought the Moondrop Dawn Pro Balanced DAC/AMP recently. Build feels premium with a sleek metal body, swappable 3.5 mm & 4.4 mm outputs, plus handy volume buttons. Noticed extra loudness and a subtle but clear improvement in my IEMs. For the price, totally worth it! 🎶
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Best IEMs
I used lots of earphones and earbuds, neckband but this IEMs sound is different unbelievable I loved it Thanks 👍🏻
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n-k-g
Excellent product
Excellent product. Super premium and sounds balanced.
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ONE OF THE BEST
THE HEADPHONE IS ONE OF THE BEST WHICH DOESN'T NEED ANY TEST BECAUSE ITS THE BEST, THE BLUETOOTH RANGE IS SO LONG THAT ONCE I FORGOT MY MOBILE WHILE GOING TO MARS , NORMAL HEADPHONE WILL DISCONNECT IN THAT RANGE ABOUT 33.9 MILES BUT THEN ALSO THE HEADPHONE DOESN'T DISCONNECTED AND THE MUSIC WAS STILL PLAYING NOW I WAS COMING BACK FROM MARS AND TYPED THE REVEIW WITH MY BARE HANDS 😀
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Bass is there when you need it.
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good build qualityand High quality audio
good build qualityand High quality audio output
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Kapil Rai
Super Cool Bunnies
Absolutely a beast, had to wait since it was out of stock. This is the best under 3K and probably the best with Mic under 5k.
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It is the best and clean sounding IEM
It is the best and clean sounding IEM, perfect for the Beginner.
I love the fact that I can change the nozzle and its a little different sounding, so its two in one.
The cable quality is out of the world no external sound when I touch it.
I can hear so many details clearly. I say please go for this, it is perfect first IEM and the Perfect Upgrade if you had IEM under 2k before
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Value for money
It provides Awesome sound quality go and buy it m
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Must Buy IEM 👌🏼👍🏼
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🔊 Sound Quality
The KZ Castor Pro delivers clear and detailed sound with excellent separation across lows, mids, and highs. The decent thumping bass is tight and controlled, giving energy to tracks without overwhelming the vocals or instruments. Its super-balanced tuning ensures a natural, enjoyable listening experience suitable for all genres.
🎚 Unique DIP Switch Equalizer
What sets the Castor Pro apart is its DIP switch physical equalizer. With up to 16 different tuning options, it allows listeners to adjust the sound profile on the go—boosting bass, enhancing treble, or keeping it neutral. This feature gives it a level of flexibility rarely seen in IEMs at this price point.
🔇 Noise Isolation
Although it lacks active noise cancellation, the design offers an excellent passive seal. The snug fit ensures that outside noise is effectively blocked, making the listening experience immersive and ensuring ANC doesn’t feel like a missing feature.
🎼 Hi-Res & DAC Performance
For those using Hi-Res lossless audio, pairing the Castor Pro with a DAC is highly recommended. The extra power and clarity from a DAC enhance the already impressive soundstage, detail retrieval, and overall dynamics, making the listening experience truly premium.
💰 Value for Money
At its smart price, the KZ Castor Pro punches well above its weight. It combines detailed sound, punchy bass, balanced tuning, and innovative features—making it a strong choice for both audiophiles on a budget and everyday music lovers.
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Dhanush B
Warm & Relaxing
It's warm/bassy sound is what I like the most. The emphasis is more on sub bass but also not in ur face. Mid bass also sounds clean without being shouty. Treble is really smooth with slight sparkle which is great if ur treble sensitive. I can listen to these for hours at work without being distracted or fatigue. Good fit and build quality. Any genre sounds good on this iem.
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As redditors said its good
As redditors said its good. But might be boring at initial iem try. App has lot of EQs to tweak and play
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Anyone who's buying from Audio Store can 100% trust their services. Speaking about product it is really great. This IEM provides you with switches which can adjust frequency and bass according to your preferences. You can blindly go for this IEM in this price range.
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very good.
best in this budget
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Anthony Nazareth
Great fast service.
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The Audio Store
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Excellent fit
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just goo for it
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First experience with The Audio Store
First experience with the Audio Store
The delivery was not that fast...
Package was packed quite well....
Product was authentic and quite awesome..👍🏿
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Glad I took this step
I would like to thank Purecast & Pritam ...I was not sure if this was required. I however noticed it's not a normal dac it's a DAC Amp so it also amplifies sound...it comes in a cool packaging with cover and I am thankful that Audiocular was thoughtful to add a typeC to Type A convertor as I am using this mainly in my Dell laptop. Thanks Audiocular.
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