Trió
Best hybrid monitor for audiophiles seeking immersive, bass-rich sound.
Experience audio excellence with the 64 Audio Trió, a premium Universal In-Ear Monitor designed for discerning listeners. This hybrid IEM features a three-driver, tubeless configuration within a lightweight aluminum shell, delivering reference-level clarity and a smooth sound profile ideal for extended listening. Renowned for its strong, physical bass, exceptional detail retrieval, and an immersive, three-dimensional soundstage, the Trió offers a balanced and versatile sonic experience. Originally released in 2017, this discontinued model remains a benchmark for quality in personal audio.
$2299.00
Owner Satisfaction
4.5
/ 5
Category Rank
791
/ 6144
#791 in Headphones
Price vs Category Average
+291%
Above average
Drivers
111
/ tia High Driver, High-Mid Driver, Dynamic Mid/Low Driver
Who it's for
- Bass lovers seeking an energetic and punchy musical experience
- Long-term listeners prone to ear fatigue during extended sessions
- Audiophiles desiring detailed soundscapes with seamless driver integration
Who should skip it
- Budget-conscious buyers looking for entry-level or mid-tier pricing
- Purists requiring a strictly neutral and analytical sound profile
- Individuals with smaller ears needing a low-profile, compact fit
Performance breakdown
Bass Impact
Physical, authoritative low-end response that remains tight and well-controlled.
Soundstage Depth
Creates a surprisingly expansive, three-dimensional space for an in-ear monitor.
Detail Retrieval
The tubeless driver design uncovers subtle textures in complex musical arrangements.
Ergonomic Comfort
Lightweight aluminum housing ensures fatigue-free listening during extended sessions.
Passive Isolation
Effectively blocks ambient noise for focused listening in most environments.
Sonic Versatility
A balanced profile that handles diverse genres with consistent musicality.
Key Specs
Drivers
1 tia High Driver, 1 High-Mid Driver, 1 Dynamic Mid/Low Driver
Frequency Response
5Hz – 22kHz
Sensitivity
104 dB @1kHz @1mw
Impedance
5.5+0.5/-1.5 Ω from 10Hz - 20kHz
Isolation
-15dB
Cable
7 x 7 x 4 Multi-Twist Silver Plated OCC Copper Wire 26 AWG
Connectivity
Wired
Release Year
2017
Features
- Three-driver, tubeless hybrid design
- Balanced sound for enjoyable listening
- Strong, warm, and physical bass
- Exceptional detail and clarity
- Immersive 3D soundstage
- Comfortable, lightweight ergonomic shell
- Integrated 3-way crossover
- Passive noise isolation up to -15dB
What customers say
Reviewers consistently praise the 64 Audio Trió for its superior comfort and outstanding sound quality. The bass response is authoritative and deeply textured, offering an engaging low end that balances perfectly with impressive clarity across the soundstage. Listeners value the technical proficiency of the audio presentation. The fit receives high marks, largely attributed to the comfortable Apex pressure relief system. This combination delivers a dynamic and slightly warm signature, establishing the Trió as a top choice for users prioritizing exceptional wearability alongside flagship audio performance.
Know before you buy
The Trió offers a balanced, reference-level sound profile characterized by a physical, punchy bass and exceptional clarity. It is designed to be versatile, providing a smooth listening experience that avoids fatigue during long sessions.
By eliminating traditional sound tubes, the Trió reduces resonance and distortion. This configuration allows the drivers to deliver a more open, three-dimensional soundstage and improved detail retrieval.
Yes, the Trió features a lightweight, ergonomic aluminum shell designed for extended wear. Its compact form factor ensures a secure fit for most ear shapes.
The Trió utilizes passive noise isolation rather than active electronics, providing up to -15dB of attenuation. This is effective for blocking out ambient background noise in most everyday environments.
With an impedance of approximately 5.5 ohms, these monitors are quite sensitive. While they can be driven by most devices, they perform best with high-quality, low-impedance sources to ensure optimal frequency response and minimal background hiss.
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$2299