Jomo Audio
Jomo Deux
Product Details
Introducing our first hybrid IEM design. The brand new Mélange series.
Deux packed with one balanced armature driver and one dynamic driver. A two ways Cross Sync Uniphase crossover design powered by Airflow control unit with interchangeable filter for user customizable sound signature. Elevated bass and mid range for some fun and musical experience. Relaxed high frequency suitable to long hours listening.
Deux Specs:
One BA and One Dynamic Driver
Duo ways CSU crossover network.
Powered by Airflow Control Unit
FR: 20Hz - 20kHz
Sensitivity: 105dB
Impedance: ~19 ohms at 1KHz
Duo multi-size Ti Metal Sound Bores
Noise Isolation: ~20dB +/- 3dB (Custom Version)
Effect Audio Ares II UPOCC cable.
Airflow Control Unit
or ACU, allows user to control the sound of the dynamic driver via interchangeable filters. The ACU controls the amount of air in the rear chamber of the Dynamic driver.
How does it work?
Dynamic driver in a hybrid IEM design works in the same way as it's working in a HIFI speaker. The internal structure of the HIF speaker is part of the acoustic design as the total volume of air in the speaker chamber affects the sound of the dynamic driver greatly. In an IEM enjoyment, the shell size vary depends on each individual users' ear geometry therefore the total volume of the air in the shell changes from one and another. If we just dump the dynamic driver in the shell, like what other brands are doing, we will not be able to make sure that each and every custom IEMs will sound the same. The universal demo shell is always much smaller than the actual custom, so there will always be a great difference between the demo and the actual custom IEM.
The solution.
To completely eliminate this problem once for all, we calculated, simulated and came out with an optimized, fixed volume for the rear chamber of the dynamic driver that we know and sure that will always sound the same for each and every pair of the hybrid IEMs*. With the ACU, what you hear from the universal will be what you hear from your custom*.
By introducing the ACU interchangeable filters, from unable to predict how the IEM will sound (without ACU module) to have absolute certainty of very pair will sound the same, we will also have the power to CONTOL the sound. By controlling the amount of air flowing into the optimized rear chamber of the dynamic driver so that we can control the sound signature. We came out with 4 different filters (Balanced, Musical, Energetic and Impact. Balanced has the least amount of bass and Impact is highest) that will give 4 different level of bass response from mildly v shaped to +15dB of bass.
No two audiophiles will ever agree on the amount of bass they want. With the ACU system, users will have the capability to choose how they hear their music. Just like what we did with the Flamenco, we allow user to customize their IEM by themselves.
Cross Sync Uniphase
or CSU,is the fundamental method and techniques of IEM sound design.
The problem
Balanced armature driver is highly inductive. Traditional passive electronics filters in the multi-driver crossover system introduces phase shift at crossover point by 90 degrees to 180 degrees. As the analogy signal coming from the DAC to the IEM is an AC signal, out of phase electronic signals will produce out of face soundwaves from the drivers. Converting the out-of-phase issue from electronic (electronic signal) domain into analog (soundwaves) domain. It results multiple drivers cancelling each other at crossover point and cause a big dip on the frequency response together with a dirty Fast-Fourier Transform analysis.
The Solution
CSU utilizes both electronics filtering design and acoustic path design to create crossover system including passive electronic low pass filter, band pass filter and high pass filters. And the acoustic filters help to eliminate unwanted frequency from the driver and smooth the frequency response. By adjusting the placement of each driver, soundwave phase cancellation at crossover point can be eliminated and all drivers will produce synchronized soundwaves at the same time. Resulting the drivers to produce wider frequency range improve sound pressure level at super high frequency range. And for the users’ experience, they will be able to hear more detail, full-bodied and engaging sound with a nature sound stage.
In summary, CSU conjugating frequency domain and time domain into one synchronized system with phase aligned multi-driver IEM crossover system. Delivering an unparalleled coherent and natural sounding IEM design.
* Hearing difference caused by individual ear canal geometry, hearing loss, different types of ear tips, run-in time is not discussed in this case.
Jomo Flamenco | Pro-Audio
Flamenco is Jomo Audio's flagship launched in 2017. The Flamenco features not one, but 2 analog toggle switches located in the cymba area of the custom IEM (if your ears are large enough; otherwise the switches will be moved to the top of cymba area) which allows users to toggle bass boost and treble boost.
It also features 3 titanium metal bores that allows further extension of the treble and bass.
Features
- Single precision tuned balanced armature driver for sub-bass
- Dual precision tuned balanced armature drivers for bass
- Quad precision tuned balanced armature drivers for mids
- Dual precision tuned balanced armature drivers for treble
- Dual precision tuned balanced armature drivers for super high treble
- 5-way passive crossover
- Triple titanium metal bores
- Hypoallergenic, hard acrylic shells
- SPC LITZ internal wiring
- Comes by default with Effect Audio Ares II, PWaudio No.5 or Han Sound Audio Zen cable.
Specifications:
- 11 balanced armature drivers (1x sub-bass, 2x bass, 4x mid, 2x high, 2x super-high)
- Passive 5-way crossover
- SPC LITZ internal wiring
- Triple titanium metal bores
- Impedance: 35 Ohms at 1kHz
- Sensitivity: 106dB SPL @ 1mW
- Freq. Response: 20Hz – 40kHz (Theoretical)
- Noise Isolation: ~26dB
Warranty:
Refit: 30 days upon collection
Internal components and manufacturing defects: 1 year
/GR_1600x-270x270.jpg "Jomo Game Rider (CIEM)")
Jomo Game Rider (CIEM)
Product Details
Game Raider
Designed specially for professional E-sport competition and casual video gaming. Ergonomic housing design by the latest 3D scanning and 3D printing technologies promising a comfortable wearing experience for hours-long gaming session without fatigue. Excellent noise isolation allows the player to focus on the game without any distraction from the ambient noise.
Precision sound stage recreation and sound quality offering the player advantage of having a “third eye” to locate opponents and taking lead in the game.
Sporting an extra large Balanced Armature Driver, directly coupled onto a 10mm Dynamic Driver with 3D printed internal acoustic structure. Adding weight to the Dynamic Driver reduce driver self vibration, improve energy conversion efficiency and reduce distortion. Compress bass air flow, allowing denser air propagation and deliver more powerful low-frequency sound.
UIEM available here:
Specs:
- Duo Proprietary Precision Balanced Armature Drivers
- Single 10mm Dynamic Drivers
- 3 ways CSU crossover network
- 3D printed Bass Boost Air Compressor
- 3D printed ergonomic shell design
- Flat 2 pins, 3.5mm, 4 poles OFC cable with In-line Mic
- Frequency Range: 20Hz to 20KHz
- Sensitivity: 108dB
- Impedance: 17 Ohms @ 1K Hz
- Only limited to design showing in the photograph.
/GR_1600x-270x270.jpg "Jomo Game Rider (UIEM)")
Jomo Game Rider (UIEM)
Product Details
Game Raider
Designed specially for professional E-sport competition and casual video gaming. Ergonomic housing design by the latest 3D scanning and 3D printing technologies promising a comfortable wearing experience for hours-long gaming session without fatigue. Excellent noise isolation allows the player to focus on the game without any distraction from the ambient noise.
Precision sound stage recreation and sound quality offering the player advantage of having a “third eye” to locate opponents and taking lead in the game.
Sporting an extra large Balanced Armature Driver, directly coupled onto a 10mm Dynamic Driver with 3D printed internal acoustic structure. Adding weight to the Dynamic Driver reduce driver self vibration, improve energy conversion efficiency and reduce distortion. Compress bass air flow, allowing denser air propagation and deliver more powerful low-frequency sound.
CIEM available here: https://www.jomoaudio.com/collections/custom-in-ear-monitors/products/game-raider-pro-gaming-iem
Specs:
- Duo Proprietary Precision Balanced Armature Drivers
- Single 10mm Dynamic Drivers
- 3 ways CSU crossover network
- 3D printed Bass Boost Air Compressor
- 3D printed ergonomic shell design
- Flat 2 pins, 3.5mm, 4 poles OFC cable with In-line Mic
- Frequency Range: 20Hz to 20KHz
- Sensitivity: 108dB
- Impedance: 17 Ohms @ 1K Hz
- Only limited to design showing in the photograph.
Jomo Haka | Pro-Audio IEM
Single ProprietaryPrecision Balanced Armature Drivers
NO crossover
FR: 20Hz - 20kHz
Sensitivity: 107dB
Impedance: 18 ohms @ 1K Hz
Noise Isolation: 26dB +/- 3dB(Custom Version)
Free Solid Color shell color.
Artwork limited to none transparent color(s) only.
Warranty:
Refit: 30 days upon collection
Internal components and manufacturing defects: 1 year
Jomo Jazz
Product Details
Jazz packed with two balanced armature driver with a brand new sound design.
One XL bass driver and one mid/high driver with tunded vent deliver the most natural and relaxed sound. Suitable for audiophile and band members who doesn't want to burn a hole in the pocket.
Specs:
Dual Precision Balanced Armature Driver
Duo ways CSU crossover network
FR: 20 Hz -20 kHz
Sensitivity: 106 dB
Impedance: ~35 ohms at 1KHz
Duo multi-size Ti Metal Sound Bores
Noise Isolation: ~26dB +/- 3dB (Custom Version)
Effect Audio Ares II UPOCC cable.
Cross Sync Uniphase
or CSU,is the fundamental method and techniques of IEM sound design.
The problem
Balanced armature driver is highly inductive. Traditional passive electronics filters in the multi-driver crossover system introduces phase shift at crossover point by 90 degrees to 180 degrees. As the analogy signal coming from the DAC to the IEM is an AC signal, out of phase electronic signals will produce out of face soundwaves from the drivers. Converting the out-of-phase issue from electronic (electronic signal) domain into analog (soundwaves) domain. It results multiple drivers cancelling each other at crossover point and cause a big dip on the frequency response together with a dirty Fast-Fourier Transform analysis.
The Solution
CSU utilizes both electronics filtering design and acoustic path design to create crossover system including passive electronic low pass filter, band pass filter and high pass filters. And the acoustic filters help to eliminate unwanted frequency from the driver and smooth the frequency response. By adjusting the placement of each driver, soundwave phase cancellation at crossover point can be eliminated and all drivers will produce synchronized soundwaves at the same time. Resulting the drivers to produce wider frequency range improve sound pressure level at super high frequency range. And for the users’ experience, they will be able to hear more detail, full-bodied and engaging sound with a nature sound stage.
In summary, CSU conjugating frequency domain and time domain into one synchronized system with phase aligned multi-driver IEM crossover system. Delivering an unparalleled coherent and natural sounding IEM design.
* Hearing difference caused by individual ear canal geometry, hearing loss, different types of ear tips, run-in time is not discussed in this case.
Jomo Quatre
Product Details
Quatre come with three balanced armature driver and one dynamic driver. A four ways cross over design also powered by CSU network and ACU interchangeable filter system. Mildly v shaped sound signature when using Balanced filter (Black color). Organic bass, smooth vocal and airy sparkly highs under one shell of IEM.
Quatre Specs:
Three BA and One Dynamic Driver
Four ways CSU crossover network.
Powered by Airflow Control Unit
FR: 20Hz - 20kHz
Sensitivity: 105dB
Impedance: ~15 ohms at 1KHz
Three multi-size Ti Metal Sound Bores
Noise Isolation: ~20dB +/- 3dB (Custom Version)
Effect Audio Ares II UPOCC cable.
Airflow Control Unit
or ACU, allows user to control the sound of the dynamic driver via interchangeable filters. The ACU controls the amount of air in the rear chamber of the Dynamic driver.
How does it work?
Dynamic driver in a hybrid IEM design works in the same way as it's working in a HIFI speaker. The internal structure of the HIF speaker is part of the acoustic design as the total volume of air in the speaker chamber affects the sound of the dynamic driver greatly. In an IEM enjoyment, the shell size vary depends on each individual users' ear geometry therefore the total volume of the air in the shell changes from one and another. If we just dump the dynamic driver in the shell, like what other brands are doing, we will not be able to make sure that each and every custom IEMs will sound the same. The universal demo shell is always much smaller than the actual custom, so there will always be a great difference between the demo and the actual custom IEM.
The solution.
To completely eliminate this problem once for all, we calculated, simulated and came out with an optimized, fixed volume for the rear chamber of the dynamic driver that we know and sure that will always sound the same for each and every pair of the hybrid IEMs*. With the ACU, what you hear from the universal will be what you hear from your custom*.
By introducing the ACU interchangeable filters, from unable to predict how the IEM will sound (without ACU module) to have absolute certainty of very pair will sound the same, we will also have the power to CONTOL the sound. By controlling the amount of air flowing into the optimized rear chamber of the dynamic driver so that we can control the sound signature. We came out with 4 different filters (Balanced, Musical, Energetic and Impact. Balanced has the least amount of bass and Impact is highest) that will give 4 different level of bass response from mildly v shaped to +15dB of bass.
No two audiophiles will ever agree on the amount of bass they want. With the ACU system, users will have the capability to choose how they hear their music. Just like what we did with the Flamenco, we allow user to customize their IEM by themselves.
Cross Sync Uniphase
or CSU,is the fundamental method and techniques of IEM sound design.
The problem
Balanced armature driver is highly inductive. Traditional passive electronics filters in the multi-driver crossover system introduces phase shift at crossover point by 90 degrees to 180 degrees. As the analogy signal coming from the DAC to the IEM is an AC signal, out of phase electronic signals will produce out of face soundwaves from the drivers. Converting the out-of-phase issue from electronic (electronic signal) domain into analog (soundwaves) domain. It results multiple drivers cancelling each other at crossover point and cause a big dip on the frequency response together with a dirty Fast-Fourier Transform analysis.
The Solution
CSU utilizes both electronics filtering design and acoustic path design to create crossover system including passive electronic low pass filter, band pass filter and high pass filters. And the acoustic filters help to eliminate unwanted frequency from the driver and smooth the frequency response. By adjusting the placement of each driver, soundwave phase cancellation at crossover point can be eliminated and all drivers will produce synchronized soundwaves at the same time. Resulting the drivers to produce wider frequency range improve sound pressure level at super high frequency range. And for the users’ experience, they will be able to hear more detail, full-bodied and engaging sound with a nature sound stage.
In summary, CSU conjugating frequency domain and time domain into one synchronized system with phase aligned multi-driver IEM crossover system. Delivering an unparalleled coherent and natural sounding IEM design.
* Hearing difference caused by individual ear canal geometry, hearing loss, different types of ear tips, run-in time is not discussed in this case.
Jomo Reference
Turnaround Time
Build turnaround time: 4 to 7 weeks
Shipping time: 1 week
Total turnaround time: 5 to 8 weeks
The Jomo Reference is the first product from Jomo's new line up, known as the 'Reference' series. The Jomo6R has a flat frequency response that maximises coherency and detail retrieval, designed specially for reference monitoring and critical listening.
Features
- Dual precision tuned balanced armature driver for bass
- Dual precision tuned balanced armature drivers for mids
- Dual precision tuned balanced armature drivers for treble
- Acoustic horn chamber nozzle design for better sound and minimal wax accumulation
- Hypoallergenic, hard acrylic shells
Specifications:
- 6 balanced armature drivers (2x bass, 2x mid, 2x high)
- Passive 3-way crossover
- Impedance: 20 Ohms at 1kHz
- Sensitivity: 126dB SPL @ 1mW
- Freq. Response: 20Hz – 20kHz
- Noise Isolation: ~26dB
Warranty:
Refit: 30 days upon collection
Internal components and manufacturing defects: 1 year
Jomo Salsa
Product Details
Salsa design with vocal monitoring in mind. Offering the user and experience of near field monitoring in the studio. Packed with one XL bass driver, two vented drivers for lower mid range and upper mid range and one fine tuned tweeter, all conjugated by the CSU crossover network delivering a vocal emphasised sound signature.
Specs:
Quad Precision Balanced Armature Driver
Quad ways CSU crossover network
FR: 20 Hz -20 kHz
Sensitivity: 109 dB
Impedance: ~20 ohms at 1KHz
Triple multi-size Ti Metal Sound Bores
Noise Isolation: ~26dB +/- 3dB (Custom Version)
Effect Audio Ares II UPOCC cable.
Cross Sync Uniphase
orCSU,is the fundamental method and techniques of IEM sound design.
Balanced armature driver is highly inductive. Traditional passive electronics filters in the multi-driver crossover system introduces phase shift at crossover point by 90 degree to 180 degree. It results multiple drivers cancelling each other at crossover point and cause a big dip on the frequency response together with a dirty Fast-Fourier Transform analysis.
CSU utilizes both electronics filtering design and acoustic path design. Conjugating frequency domain and time domain into one synchronized system with phase aligned multi-driver IEM crossover system. Delivering an unparalleled coherent and natural sounding IEM design.
* Hearing difference caused by individual ear canal geometry, hearing loss, different types of ear tips, run-in time is not discussed in this case.