Empire Ears ESR MKII vs 64Audio Trio
Introduction
The Empire Ears ESR MKII and 64Audio Trio are premium IEMs designed to deliver studio-accurate, high-resolution sound. Let's compare both models so you can find the best in-ear monitors for your listening preferences.
Not the right fit? Browse other In-Ear Monitors from Empire Ears and 64Audio.
Empire Ears ESR MKII vs 64Audio Trio Price Comparison
The ESR MKII and Trio sit at two very different price points.
The ESR MKII comes in at $1,099.00.
The Trio comes in at $2,299.00.
The ESR MKII costs significantly less than the Trio. Let's dive deep into the specs, design, sound signatures, and features of both so you can get a better idea of what each IEM brings to the table.
The Empire Ears ESR MKII
The ESR MKII is Empire Ears' studio-reference IEM. It features a five-driver hybrid setup with three BA and two Electrostatic drivers. In terms of features, the ESR MKII packs SynX, EIVEC, and A.R.C technology for enhanced sound and reliability.
Empire Ears ESR MKII Features:
- 5-driver hybrid system with 3 BA + 2 electrostatic drivers
- 4-way synX crossover with EIVEC for electrostatic integration
- A.R.C. technology to reduce resonance for cleaner sound
- Brushed Silver aluminum faceplate with ergonomic resin shell
- Includes Alpha IV UPOCC Copper Litz cable
Empire Ears ESR MKII Specs:
Driver Configuration: 3x Balanced Armature Drivers + 2x Electrostatic Drivers
Frequency Response: 10Hz - 100kHz
Sensitivity: 111dB @ 1kHz, 1mW
Crossover: 4-Way synX Crossover Network
Impedance: 3.9 Ohms @ 1kHz
The 64Audio Trio
The 64Audio Trio is a triple-driver hybrid IEM that combines one dynamic driver and two balanced armatures to deliver an exciting sound experience. The Trio comes with 64Audio technologies tia, Apex, and LID for enhanced sound and comfort.
64Audio Trio Features:
- Three-driver hybrid design: 1 dynamic driver and 2 balanced armature drivers
- tia™ technology for natural treble extension
- apex™ module (m15) to alleviate ear fatigue
- LID™ for consistent performance across devices
- Ergonomic aluminum shell with sleek design
64Audio Trio Specs:
Driver Configuration: 1 dynamic driver, 1 mid BA, 1 tia high BA
Frequency Response: 5Hz – 22kHz
Sensitivity: 104 dB/mW
Impedance: 5.5 Ω
Crossover: Integrated 3-way passive
Isolation: -15dB Internal Apex
Design and Build Quality
The ESR MKII and Trio are premium IEMs, boasting exceptional build quality, design, and ergonomics.
The ESR MKII keeps things professional and understated. Its medical-grade resin shell is ergonomic and lightweight, ensuring long-term comfort, while the brushed aluminum faceplate adds a subtle touch of refinement. With A.R.C. applied inside the housing, internal resonances are minimized, making the sound cleaner and more accurate.
The Trio features 64Audio's half-moon shell design for the best comfort and fit. Unlike 64Audio U-Series IEMs, the Trio doesn't have Apex ports at the front, making way for a full-sized faceplate instead.
Speaking of faceplates, the Trio features a sleek black faceplate with tia and 64Audio branding on top. Shiny chrome bezels complete the look at the front of the IEM. Moving over to the back, the Trio features a robust aluminum body painted in matte black for a clean look.
Sound Signature
You're probably looking to see how these IEMs stack up on sound. We'll share our thoughts here, although keep in mind this information tends to be anecdotal and subjective.
ESR MKII Sound Signature
The ESR MKII is built around accuracy and balance, making it ideal for professionals or listeners who want to hear music exactly as it’s recorded.
Its bass is tight and controlled, never overpowering the mix. The midrange is clean and transparent, bringing out vocals and instruments with lifelike clarity - perfect for mixing or critical listening. The treble is extended yet smooth, revealing subtle details without harshness, ensuring long listening sessions stay fatigue-free. This combination gives you the confidence to make precise judgments on recordings while still enjoying natural musicality.
Trio Sound Signature
The Trio features a V-shaped sound signature with emphasized bass and treble frequencies.
The bass goes deep and delivers textured rumbles and a strong punch. The midrange is forward and detailed, offering an intimate listening experience - perfect for vocal-centric tracks. The treble of the Trio is extended, delivering sparkle and air without harshness.
The soundstage is wide and accurate, which makes movies and games sound immersive.
Price and Value
At $1,099, the ESR MKII is a strong value proposition for professionals and purists. Its hybrid BA + EST design, resonance-free housing, and neutral tuning make it a cost-efficient reference monitor without unnecessary frills. The ESR MKII features high-quality resin shells with brushed aluminum faceplates, alongside a premium braided cable for enhanced sound and aesthetics.
The $2,299 Trio is more expensive than the Triton. It features a dynamic driver and balanced armature hybrid configuration in a premium aluminum shell. The Trio comes with 64Audio proprietary technologies: tia, Linear Impedance Design, and built-in Apex technology.
In the box, the Trio comes with a premium leather case, premium foam and silicone ear tips, a black premium cable, a cleaning tool, a cable clip, and a 64Audio sticker.
Our Thoughts
Get the ESR MKII IEM if you're looking for a flat, accurate, and detailed sound for music production or mixing. The ESR MKII's reference-grade sound will help reveal subtle details in music making it a joy to use for mixing and mastering at home or in the studio.
The 64Audio Trio delivers a fun and exciting sound experience that works well with any genre. If you like powerful bass, detailed vocals and instrumentals, and a spacious soundstage, the Trio is the IEM to get. With full tia technology and built-in Apex, your music will sound immersive and exciting every time.
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