DUNU DN242 8-Driver Tribrid In-Ear Monitor
The DUNU DN242 is an eight-driver tribrid in-ear monitor with two dynamic drivers, four balanced armatures, and two micro planar tweeters per side, integrated by a 5-way physical and electronic crossover. DUNU describes it as an acoustic feast of multi-driver harmony, with a frequency response of 5Hz–40kHz, 35Ω impedance, and 110dB/mW sensitivity.
8-Driver Tribrid Architecture
Each side uses an 8-driver tribrid array: 2DD + 4BA + 2 micro planar. Official materials specify three driver types and 5-way frequency division so each group covers a dedicated band. The configuration is: one 10mm dynamic driver for sub-bass, one 8mm dynamic driver for low frequencies, two custom midrange balanced armatures, two custom high-frequency balanced armatures, and two custom ultra-high-frequency micro planar tweeters.
Dual 10mm and 8mm Dynamic Drivers
Low frequencies are split between two independent dynamic drivers. The 10mm unit handles sub-bass; DUNU states it is not tuned for excessive weight, but for deep, controlled kick-drum impact and natural bass-guitar extension. The 8mm unit handles low frequencies and is described as clearing mud so drum decay and electric-bass texture stay distinct. The two drivers are assigned separate roles rather than sharing one broadband band.
Custom Knowles Midrange and Treble Balanced Armatures
Four balanced armatures cover the midrange and treble: two custom Knowles midrange drivers and two custom high-frequency drivers. DUNU assigns this group as the stage for vocals and instruments, with vocals placed in the center, density without hardness, male-vocal body, female-vocal breath, and sibilance treated so it does not pierce. Instrument examples cited by DUNU include violin harmonics, piano midrange texture, and saxophone body.
Dual Custom Micro Planar Tweeters
The top octave uses two custom ultra-high-frequency micro planar tweeters. DUNU describes this stage as finishing the sound without forced brightness: triangle harmonics extend naturally, cymbal decay is delicate, and low-level recorded air is preserved. The stated intent is transparent air and added depth and width in the soundstage, without drawing attention to the treble itself.
Advanced 5-Way Physical and Electronic Crossover
The DN242 uses a dual 5-way system: acoustic ducts plus an electronic crossover network. Official copy describes fully independent channels from sub-bass to ultra-treble, with the dual system controlling each band for phase alignment and a smooth transition between drivers.
3D-Printed Resin Shells with HeyGears
The complex acoustic chambers are 3D-printed in resin in cooperation with HeyGears. The global spec sheet lists the shell material as resin. Japanese official copy specifies a recessed 0.78mm 2-pin socket for a more stable, durable connection. The left/right 2-pin marking uses a red mark for the right channel.
Faceplate Design and Collectible Cards
Authorized English product pages describe the faceplates as inspired by Nezha, with red resin and gold edging. The official Japanese package includes three collectible cards; authorized English listings specify a Nezha theme for those cards.
High-Purity Silver-Plated OCC Cable with Q-Lock Mini
The stock cable is a 1.2m ±0.1m, 4-core high-purity silver-plated OCC copper Litz cable. The earpiece connector is a recessed 0.78mm 2-pin. DUNU’s Q-Lock Mini interchangeable plug system is included, with 3.5mm single-ended and 4.4mm balanced plugs in the box. Japanese official materials also include a 6.35mm (1/4") adapter.
Complete Eartip and Accessory Kit
Three official silicone eartip types are included. Candy Eartips use a highly flexible outer umbrella and a thickened duct; DUNU states they increase musical air and vocal density. S&S (Stage & Studio) Eartips use a straight-wall umbrella and duct for a more stable fit; DUNU states they widen the soundstage toward a studio-like presentation. Balanced Eartips are the gray official standard set, described as balanced, straight, and suitable across genres. Also included: a roomy carrying case, a cleaning brush, and the plug kit above. Independent unboxings of retail units list Candy in S/M/L, S&S in S/M/L/XL, and Balanced in S/M/L.
About DUNU
DUNU designs premium high-resolution dynamic and hybrid in-ear monitors for demanding listeners. Official brand copy states that the company has ODM/OEM roots manufacturing for major global audio and telecommunications brands, and has developed professional and consumer earphones since 1994. DUNU consumer earphones entered the Japanese market in 2011.
Technical Specifications
Model: DN242
Driver configuration: 8-driver tribrid per side (2DD + 4BA + 2 micro planar)
Dynamic drivers: 1 × 10mm ultra-low-frequency DD (sub-bass), 1 × 8mm low-frequency DD
Balanced armatures: 2 × custom Knowles midrange BA, 2 × custom high-frequency BA
Planar: 2 × custom ultra-high-frequency micro planar tweeters
Crossover: 5-way, acoustic duct + electronic network
Frequency response: 5Hz – 40kHz
Impedance: 35Ω
Sensitivity: 110dB/mW (@1kHz); 125dB/Vrms (@1kHz) (Japanese official spec; global English sheet lists 110dB/mW only)
THD: <0.5% (@1kHz)
Shell material: resin (3D-printed acoustic chambers with HeyGears)
Net weight: approx. 6g per side (DUNU global site) / approx. 8.1g per side (DUNU Japan site)
Connector: recessed 0.78mm 2-pin
Cable: 4-core high-purity silver-plated OCC copper Litz, 1.2m ±0.1m
Plug system: Q-Lock Mini, 3.5mm single-ended and 4.4mm balanced included
Adapter: 3.5mm to 6.35mm (listed on Japanese official page)
In the box (Japanese official page + authorized listings / retail unboxings):
- DUNU DN242 in-ear monitors
- 4-core silver-plated OCC copper cable
- Q-Lock Mini 3.5mm plug
- Q-Lock Mini 4.4mm plug
- 3.5mm to 6.35mm adapter
- Candy Eartips (S / M / L)
- S&S Eartips (S / M / L / XL)
- Balanced Eartips (S / M / L)
- Carrying case
- Cleaning brush
- Three collectible cards
Q&A
What is the driver configuration of the DUNU DN242?
Each side uses eight drivers: 1 × 10mm dynamic (sub-bass), 1 × 8mm dynamic (low frequencies), 2 × custom Knowles midrange BA, 2 × custom high-frequency BA, and 2 × custom micro planar tweeters.
Does the DN242 use a 5-way crossover?
Yes. Official materials specify a dual 5-way system using acoustic ducts and an electronic crossover network.
What plugs are included?
Q-Lock Mini 3.5mm single-ended and 4.4mm balanced plugs. A 6.35mm adapter is listed on the Japanese official page.
What are the impedance and sensitivity?
35Ω. Sensitivity is 110dB/mW (@1kHz). The Japanese official page also lists 125dB/Vrms (@1kHz).
What eartips are included?
Candy Eartips, S&S (Stage & Studio) Eartips, and Balanced Eartips.
What connector does the DN242 use?
Recessed 0.78mm 2-pin. Official Japanese copy states that this 2-pin standard is widely compatible.
