FATfreq X HBB - Deuce

In-Ear Monitor

Sale price₹ 24,990
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Plug Type: 3.5mm
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Packed and shipped within 24/48/72 hours

Your order leaves our warehouse within 24/48/72 hours - packed, handed to our courier, and on its way.

Orders placed before 2 PM on weekdays typically ship the same day.

This doesn't mean it arrives in 24/48/72 hours - delivery takes 3-4 working days depending on where you are.
Check the delivery date above for your estimate.

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Defective? Tell us within 7 days. We'll take care of it.

Something wrong with your product? We'll sort it out.

Wrong product, damaged, or missing parts: Let us know within 24 hours of delivery. If it's just an accessory, we'll replace the accessory.

What we'll need:

- Product in original packaging with all accessories

- Unboxing video and images of the parcel


This helps us see what went wrong and move faster.

Manufacturing defect: Let us know within 7 days of delivery. We'll replace or refund.

The process:
1. Raise a request - you'll get a RET number and hear from us by the next working day.
2. Once approved, we arrange pickup.
3. We inspect the product (2-3 working days).
4. Replacement shipped or store credit or refund issued.

A replacement or refund will be issued if:

- The product is found to be defective

- It wasn't damaged while in your possession-

- The same product is returned in original condition - box, MRP tag, manual, warranty card, all accessories



READ THE FULL REPLACEMENT POLICY
1 Year warranty included. You're covered.

This FATfreq X HBB - Deuce comes with a 1 Year manufacturer's warranty from FATfrequency, covering manufacturing defects.

Every product on Headphone Zone is backed by an original manufacturer's warranty.

Need support? Start with us. We handle most brands' warranty claims directly, and for the rest, we'll help you connect with the brand.

Read about FATfrequency's Warranty
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Why FATfrequency is Special

🇸🇬

Designed in Singapore

🥊 Young Maverick Brand

New on the scene, but bringing seasoned expertise 🌟!


We get excited about young maverick brands because they often bring fresh perspectives and cutting edge innovation that challenge established players. These companies combine youthful energy with serious technical expertise, often demonstrating remarkable attention to detail and commitment to pushing boundaries. Think of them like startup tech companies they might be newer, but they're hungry to prove themselves and often deliver incredible value.


Drawing on deep industry expertise and passion for audio excellence, these brands often demonstrate remarkable attention to detail and commitment to technological advancement. They frequently deliver cutting edge technology and performance that rivals established competitors 🚀.


When you see "🥊 Young Maverick Brand" products, expect innovative excellence from companies that combine fresh energy with serious technical expertise to deliver impressive results.

🌟 Specialist

A masterpiece from experts who know audio inside and out 🔧!


We tend to describe specialist manufacturers as "audio artisans" who focus exclusively on perfecting specific categories of equipment. These products are meticulously crafted by dedicated experts who possess deep knowledge of sound reproduction, ensuring every technical aspect is refined to perfection. Think of them like master craftsmen who spend their entire careers perfecting one specific skill their focused expertise shows in every detail.


These dedicated experts bring years of specialised knowledge to the design process, resulting in products that consistently achieve exceptional performance standards through focused engineering excellence 🎯.


When you see "🌟 Specialist" products, expect focused expertise from manufacturers who dedicate their entire efforts to perfecting specific audio equipment categories.

🦩

Boutique Brand

🐣

Born in 2016

Why we love this IEM

💎 Premium Economy

Sensible spending meets sophisticated quality in perfect harmony 💫.


We tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.


When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry level and high end offerings, delivering impressive clarity and features at accessible price points.


🪴 For Budding Enthusiasts

In our experience, discovering good audio gear early on is a bit like tasting great coffee for the first time once you've had a sip, you're hooked. "For Budding Enthusiasts" is a badge we use for products that are perfect gateways into the audiophile world. They're easy to use, not overly expensive, and give you a real taste of what good sound can be without needing a degree in audio engineering. 🎧


These are the IEMs, headphones, and DACs that let you dip your toes into premium sound without drowning in choices. They balance performance, price, and practicality beautifully. Whether you're buying your first serious pair or helping someone else start their journey, these picks deliver satisfaction straight out of the box.


When you see '🪴 For Budding Enthusiasts' products, expect simple setups, solid sound quality, and an easy upgrade path perfect for your first foray into better audio.


⚖️ Balanced Output

We often say balanced output is like using both hands to carry something heavy it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high end DACs, amps, or studio grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must have if you’re chasing that ultra clean signal path.


Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output especially when paired with balanced headphones. The trade off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


When you see '⚖️ Balanced Output' products, expect: ultra low noise, more headroom, and better synergy with high impedance headphones or sensitive IEMs ideal for serious listening setups.

🔌 Upgradeable Cable

Not satisfied with the current cable? No problem 🔧!


We believe in giving you complete freedom to customise your listening experience. These IEMs feature detachable cable systems that let you swap, upgrade, or replace cables whenever you want. Think of it like having a modular smartphone you can upgrade individual components without replacing the whole device. Whether you're looking to improve sound quality, try different materials, or simply replace a worn cable, the choice is entirely yours.


The standardised upgradeable cable connection ensures compatibility with a wide range of aftermarket cables, giving you access to different sound characteristics and build qualities. This modular approach means your IEMs can evolve with your audio journey, allowing for easy maintenance and personalisation.


When you spot "🔌 Upgradeable Cable" products, expect future flexibility and the freedom to customise your audio experience through cable upgrades and replacements.

Why it Sounds Amazing

🎛️ Extra-Bass Sound Signature

When We see "Extra Bass," We immediately think of music that you don’t just hear you feel. If you love bass drops that rumble in your chest and beats that move your body, this tuning is for you. It’s the sound signature that turns your headphones into a mini dance floor. 🕺💣


Here’s what’s actually going on: the low frequency range is heavily boosted, giving you that thick, punchy bass response that dominates the overall sound. It’s incredibly satisfying for genres like EDM, trap, hip hop, or Bollywood music with heavy beats. Just know that vocals and treble may take a slight backseat, but for bassheads, that’s a small price for such exhilarating impact.

💣 Thick Bass / Kickass Bass

When We say kickass bass, We’re talking about bass that slaps you right in the face in the best way possible. It’s that visceral, chest thumping low end that makes you feel like you’re in the front row of a concert or a nightclub. If you’re into hip hop, EDM, Bollywood beats, or anything with a deep groove, this is where the fun begins. 🔊💥


Here’s what’s going on technically: the low frequency range is heavily emphasised, resulting in powerful sub bass rumble and impactful mid bass slam. This kind of tuning brings weight, warmth, and physicality to your music. The trade off? It might mask some midrange detail or high frequency sparkle but for bassheads, the emotional payoff is more than worth it.

🍦 Smooth & Sweet Treble

Seeking something that sounds smooth and devoid of harshness 🥰? We tend to describe these headphones as having "silk like highs" that caress your ears rather than assault them. These products are meticulously designed to deliver high frequencies that are wonderfully gentle, offering a listening experience that's both sophisticated and delightful. Think of it like the difference between premium chocolate and cheap candy both are sweet, but one provides refined pleasure while the other can be overwhelming.


The carefully tuned treble presentation ensures musical details come through with remarkable clarity while maintaining natural, fatigue free character. The refined high frequency presentation maintains excellent detail and air while avoiding any hint of harshness or stridency ✨.


When you see "🍦 Smooth & Sweet Treble" products, expect refined high frequencies that deliver crisp detail with a touch of sweetness and sophistication.

🍿 Crisp Vocals & Instruments

Vocals and instruments sound so good, it's like a warm hug 🤗!


We believe that when vocals are reproduced correctly, they should feel like the artist is performing right there with you. These headphones demonstrate exceptional prowess in reproducing clear, articulate vocals and instruments, with each element rendered in stunning detail and separation. Think of it like having front row seats to an intimate acoustic performance where every breath, every string resonance, every subtle inflection comes through perfectly.


The natural timbre and tonal accuracy create an engaging presentation where every nuance is preserved while maintaining fatigue free listening. Each word, note, and subtle inflection is reproduced with outstanding definition and emotional connection 🎤.


When you encounter "🍿 Crisp Vocals & Instruments" products, expect vocal excellence that brings you closer to the emotional heart of every performance.

💪🏻 Great to Get Pumped Up

We’ve always said the right pair of headphones can fire you up faster than a shot of espresso. When We label something as “Great to Get Pumped Up,” We’re talking about gear that’s built for impact. Think of it like stepping into a turbocharged car the bass hits hard, the treble is energetic, and the soundstage feels intense and alive. Whether you're smashing a workout, heading into a game, or just trying to shake off a long day, this sound signature delivers the adrenaline rush.


Technically, it’s a mix of a boosted low end, sparkly highs, and tight mids that bring out the crunch in guitars, the slam in kick drums, and the snap in snares. These are headphones that thrive on pop, EDM, hip hop, and metal any genre that wants to punch you in the chest and keep your foot tapping. Just don’t expect subtlety; this is all about fun, speed, and emotional lift. ⚡

🎉 Like a Party in your Head

Now this one’s easy if a sound signature makes you want to dance, sing, or just lose yourself in the music, that’s what We call a party in your head. 💃 It’s the kind of sound that’s fun, energetic, and unapologetically lively. Think strong bass, glimmering treble, and a forward midrange that grabs your attention right away.


Technically, it’s usually a V shaped or bass boosted signature that’s not too concerned with neutrality but focuses on excitement and engagement. It’s perfect for Bollywood, EDM, pop, or anything upbeat. While it may not be the most accurate tuning, it’s the kind that gets your feet tapping and your head nodding within seconds. And honestly? Sometimes, that’s all you need.

🚂 Needs Amplification

We tend to say this when a headphone or DAC just doesn’t wake up unless it’s got some real juice behind it. Think of it like a sports car that needs the right kind of fuel without enough power, it won’t go anywhere near top speed. Some gear, especially those with high impedance or low sensitivity, demands a dedicated amplifier to reach its full potential.


Here's the trade off: these headphones or IEMs may sound underwhelming straight out of a phone or laptop, but when paired with proper gear, they transform dramatically. You get tighter bass, better control, and improved resolution.


If you’ve got a power hungry planar or a studio grade headphone, investing in a portable or desktop amp will unlock nuance, dynamics, and depth that you’re otherwise missing out on. ⚡

This IEM represents a unique tuning philosophy: it’s designed to play the party in your head whenever you listen to music. The one thing that this IEM does over and above everything else is that it gives you a smack of bass in your face, delivering an immersive and energetic experience.

- Raghav Somani

Unmatched Audio Performance Born from a Year of Collaboration

The FATfrequency X HBB Deuce is the result of a year-long collaboration between FATfreq and reviewer HBB (Bad Guy Good Audio Reviews). Through multiple iterations, the tuning and design were refined to enhance sound clarity, depth, and dynamics. Feedback from musicians and HBB's diverse music library ensured the FATfrequency X HBB Deuce excels in hip-hop, EDM, and classical genres, offering unmatched audio quality and an immersive experience.

Innovative Basscannon Tech For Punchy Bass

The FATfreq X HBB Deuce showcases FATfreq's 2nd generation Basscannon technology, offering a 25dB sub-bass boost with meticulous control below 150Hz. Our unique tubeless design guarantees phase-accurate, three-dimensional sound, precisely positioning instruments and vocals within an expansive soundstage. The FATfreq X HBB Deuce excels in dynamic range, effortlessly capturing both subtle nuances and powerful moments, delivering a perfect blend of clarity, depth, and richness.

Carefully Tuned By HBB For Dynamic Sound

Meticulously tuned by HBB and refined through feedback from professional musicians, the FATfreq X HBB Deuce excels in hip-hop, EDM, and classical genres. The extensive tuning process focused on achieving a natural and balanced tonal signature, enhancing the listening experience. The result is an IEM that delivers deep, focused power with the perfect balance of punch and rumble, offering dynamic excellence and unmatched value.

Ergonomically Crafted and Showcases An Elegant Design

The FATfreq X HBB Deuce is crafted for comfort and durability, ensuring a secure fit and long-lasting performance. It's premium build quality and sleek design enhance both the listening and ownership experience. Each unit undergoes rigorous quality control, including precise left and right channel frequency matching, to guarantee top performance. Handcrafted by our engineers, every FATfreq X HBB Deuce IEM is made with meticulous care and precision.

Innovative Basscannon Tech For Punchy Bass

The FATfreq X HBB Deuce showcases FATfreq's 2nd generation Basscannon technology, offering a 25dB sub-bass boost with meticulous control below 150Hz. Our unique tubeless design guarantees phase-accurate, three-dimensional sound, precisely positioning instruments and vocals within an expansive soundstage. The FATfreq X HBB Deuce excels in dynamic range, effortlessly capturing both subtle nuances and powerful moments, delivering a perfect blend of clarity, depth, and richness.

Carefully Tuned By HBB For Dynamic Sound

Meticulously tuned by HBB and refined through feedback from professional musicians, the FATfreq X HBB Deuce excels in hip-hop, EDM, and classical genres. The extensive tuning process focused on achieving a natural and balanced tonal signature, enhancing the listening experience. The result is an IEM that delivers deep, focused power with the perfect balance of punch and rumble, offering dynamic excellence and unmatched value.

Ergonomically Crafted and Showcases An Elegant Design

The FATfreq X HBB Deuce is crafted for comfort and durability, ensuring a secure fit and long-lasting performance. It's premium build quality and sleek design enhance both the listening and ownership experience. Each unit undergoes rigorous quality control, including precise left and right channel frequency matching, to guarantee top performance. Handcrafted by our engineers, every FATfreq X HBB Deuce IEM is made with meticulous care and precision.

What our Headphone Gurus Say

What we think about FATfreq X HBB Deuce

We don't call ourselves experts, but we actually listen to every piece of gear. So we think that we know what we're talking about.
HECTOR D'MELLO

Headphone Guru
HECTOR D'MELLO

A true stoic, a man of culture, a Harman tuning enthusiast, and a collector of mechanical watches - He is the backbone of our Headphone Gurus team. With his extensive knowledge of headphones and IEMs, he's always ready to answer your questions and engage in insightful conversations.

Talk to a Headphone Guru

The Sub-Bass Monster

The Deuce is a monster. It demands power, but the payoff is an ungodly amount of bass. It’s almost too much, even for me. But sometimes? Technicalities be damned, I just want to feel that sub-bass rumble. It earns a spot in my rotation for that sensation alone.

SAIKIRAN SHETTY

Headphone Guru
SAIKIRAN SHETTY

Meet our resident headphone guru and perfume aficionado! With a deep passion for music production, he has refined his skills to expertly recommend the best audio gear.

Talk to a Headphone Guru

Clean, Satisfying Bass Power

The Deuce brings big, satisfying bass with a cleaner, more controlled presentation than the Legato and the price makes it even sweeter. Not endgame for everyone, but for bassheads? Very possible.

MAYUR BAHADUR

Headphone Guru
MAYUR BAHADUR

Mayur, a headphone guru, dives deep into J-pop, J-rock, and anime openings. With expert insight on IEMs and headphones, he shows how the right gear can transform and upscale your music experience every time for all listeners.

Talk to a Headphone Guru

Deep, Authoritative Clarity

FATfreq’s Basscannon tech gives this IEM a massive, satisfying low end, yet it still keeps the details intact. If you love deep, authoritative bass without sacrificing clarity, this one delivers a uniquely fun and polished sound.

THEON LOPES

Headphone Guru
THEON LOPES

Theon is a Headphone Guru who values perfect balance in audio. His patience and extensive experience in the world of sound enable him to recommend the right gear tailored to each listener's needs.

Talk to a Headphone Guru

Fun-First Bass Shelf

Like me if you love a deep, and punchy sub-bass, the FatFreq x HBB Deuce is the perfect pick. The treble takes a back seat while the bass shelf dominates the stage, creating a fun, thumping sound. It’s hard to find anything that hits quite like this at the 20k range.

Custom Silver “Blood” Cable

The FATfreq x HBB Deuce includes a custom-made Silver "Blood" SPC cable, designed to enhance the headroom and transient response of your music library.

Dual Termination Options

it comes in 2 variants allowing the user to choose between a 3.5mm single-ended or a termination

Recessed 2pin 0.78mm Connectors

The FATfreq x HBB Deuce is equipped with recessed allowing for versatile cable upgrades. You can pair it with a balanced cable or a Bluetooth adapter to enjoy a wireless experience.

Accessories to Get you Started

1. 2-Pin Detachable Cable
2. Ear Tips
3. Cleaning Tool
4. Carrying Case


Plug
3.5mm (Single-Ended)
4.4mm (Balanced)
Connector
Recessed 0.78mm 2-Pin
Microphone
Without Mic
Cable
Silver 'Blood' Cable
Compatibility
Universal
Detachable Cable
Yes


1 Year Warranty

Don't sweat it, this FATfreq X HBB - Deuce comes with a 1 Year warranty from FATfrequency that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about FATfrequency's warranty in India.

Singapore’s Exceptional Sounding IEM Innovators

Founded in 2016 by engineers Aaron and Ben, FATfreq started as a specialist in IEM repairs and modifications, quickly earning a reputation for their deep technical knowledge across over 20 major IEM brands. Based in Singapore, the company has since evolved into the country’s fastest-growing in-ear monitor manufacturer, delivering meticulously hand-tuned, high-quality IEMs. With a focus on innovation and affordability, FATfreq serves musicians and audiophiles with a range of sound signatures tailored to diverse listening needs.

Fun Fact: FATfreq is renowned for developing Asia’s first subwoofer IEM system, bringing visceral bass response to stage performers and bassheads alike, earning them a cult following in the region.

Explore Collection
The FATfreq x HBB collaboration delivers the ultimate bass head IEM. It's uncompromisingly bass-focused while preserving clarity and detail across the remaining frequency range. For those who crave bass without sacrificing resolution, this is the answer.

RAGHAV SOMANI

The FatFreq x HBB Deuce is a great bassy all-rounder that provides natural, detailed mid-range performance with smooth treble extension.

Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Friday: 11am-6pm.Average answer time: 2-3 Hours

Other Details


Generic Name Headphone
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Net Quantity 1
Manufacturer Details Name: Fatfreq Pte. Ltd
Address: 29A Mosque Street, S059507
Package Contents FATfreq X HBB Deuce
2-Pin Detachable Cable
Ear Tips
Cleaning Tool
Carrying Case


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