FATfreq x HBB Deuce closeup left earphone with attached blood cable whitebox
FATfreq x HBB Deuce closeup left earphone with attached blood cable over black herringbone background
FATfreq x HBB Deuce closeup left earphone with attached blood cable Bokeh black background
FATfreq x HBB Deuce closeup high angle with attached coiled stock red blood cable on wood table
FATfreq x HBB Deuce closeup eye level with attached coiled stock red blood cable on smooth surface
FATfreq x HBB Deuce impedance adapter 4.4mm
FATfreq 4.4mm to 3.5mm adapter profile

FATfrequency x HBB Deuce | Dynamic Universal IEMs

Regular price$239.00
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FATfreq logo black

FATfreq x HBB Deuce, the Sub-Bass IEM with the Golden Combo of Punch and Rumble

single fatfreq x hbb deuce earphone with attached cable running across butcher block table

Bloom's Take

The FATfreq Deuce has arrived, the highly anticipated collaboration with HBB, also known as Bad Guy Good Audio Reviews. It sports a streamlined, professional look with glossy black housing and subtle branding, and with its sturdy yet flexible Silver 'Blood' cable, the Deuce combines premium aesthetics with a focus on comfort, durability, and incredible value for its price.

Sound wise, the IEM combines FatFreq’s signature bass power with HBB’s tuning sensibilities, delivering a deep, textured low end that satisfies bass lovers while keeping the mids and highs clear and balanced. The Deuce is an ideal choice for anyone looking for both warmth and clarity in a single IEM, and it's a standout among other popular IEM collaborations, particularly for those seeking high-quality bass with a nuanced sound profile.


Meticulously Tuned with Top Reviewer HBB

Over a year, the Deuce was meticulously tuned with top reviewer HBB, also known as Bad Guy Good Audio Reviews, undergoing multiple iterations of tuning and design. Each phase focused on refining sound clarity, depth, and dynamics. HBB's extensive collection of hip-hop, rock, and classical tracks heavily influenced the Deuce's tuning direction, with significant effort spent to ensure it excels in these genres. This dedication has resulted in an IEM that offers unparalleled audio quality and an immersive experience.

FF Custom-Designed Dynamic Chamber

FATfreq introduces a new acoustic system featuring advanced networks that meticulously manage sound wave propagation to ensure optimal clarity and precision. Specially engineered bass chambers optimize airflow, enhancing tonality and deepening bass response.

fatfreq x hbb deuce coiled blood cable highlighting 3.5mm plug

FATfreq Tech

BASS CANNON™ (Patent Pending): Using proprietary dynamic woofers, bass chambers and acoustic damping networks, FATfreq was able to design the deepest bass ever recorded of over 30dB, expertly controlled below 150Hz with zero mid-range bleed. A FATfreq innovation pioneered and perfected for sheer bass power.

SONAR LA TROMPA™: Inspired by the anatomy of the traditional french horn, FATfreq uses exponential horn curvature for gain control and to improve treble tonality via acoustics. Providing you with Smooth, natural sounding highs, grounded by a nice timbre in the mid and low frequencies.

PHASEALIGN: The absence of a DSP in IEMs means that FATfreq had to match the phase of multi-way systems via Acoustic delay. Using proprietary structures, they were able to align the low, mid and high frequencies such that they reach your eardrum in a coherent manner. Giving you the sound accuracy and resolution demanded on stage and studio.

fatfreq x hbb deuce earphones with attached red blood cable hanging over corner of amp dark

Specifications

  • Bass Cannon™ technology
  • Cable: 2-Pin (0.78) sockets
  • FATfrequency 1 Year Warranty

FATfrequency x HBB Deuce IEM measurment graph

In The Box

  • FATfreq x HBB Deuce IEM
  • Pre-order special: Silver 'Blood' cable + Bass impedance adapter

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Customer Reviews

Based on 13 reviews
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J
J.C.
FatFreq Hub Deuce – 10/10 Experience and Sound

Really great experience ordering from Bloom Audio. Shipping was fast, and you can tell they actually care. There was a handwritten note in the box along with some Skittles, which was a fun and thoughtful touch.

Right out of the box, the FatFreq Hub Deuce sounds excellent. The bass is clean, deep, and punchy, while the mids and upper range come through with a smooth and technical presentation. I did find the mid bass to be a little thin for my taste, so I made a few light EQ tweaks to bring that forward and shape the upper mids just slightly.

I highly recommend both the IEMs and Bloom Audio. I’ll be ordering from them again for sure.

A
Anonymous
Amazing!

I had the biggest smile listening to these! The bass is absolutely amazing! I'm using them with my iFi Go Pods—wow, what a pairing!

B
Brandon
Sounds great but...

The duece is a very bassy iem that is great for alot of different styles of music. However it wasn't enough bass for me (mind you I am into car audio and my last system was over 5000 watts.) The impedance adapter raises the bass substantially while not ruining the mids or treble. If you like bass but don't want your eyes to shake give it a try. It's a great iem that I wanted to keep but I wanted my vision to blur. Lol.

M
Mark Cooper
Sub bass assault

It’s real-everything I have read is true. Paired with ibasso dc07 pro makes this a complete package. Some recordings have a little too much distortion (?) in the highs, but I am very treble sensitive, so maybe it’s just me… Absolutely a great purchase.

E
Eugene
fun

sub bass forward, some mid bass. it doesn't bleed. bass heavy, slightly dark mids, slightly bright highs. i say it makes an interesting and fun L shaped sound. if not a tilted L shaped sound.

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