The lineup

Three IEMs. One dedicated maker.

Every pair is built to order and tuned by hand in the USA. Same driver pedigree as the flagships that cost several times as much.

New · Early bird

Hexad II

$379

The successor to the Hexad: dual 10mm dynamics, the flagship’s Sonion and Knowles armatures, and dual microplanar super-tweeters in dichroic fire faceplates.

6-driver tribrid Dual microplanar tweeters Early bird $379, then $415

Explore Hexad II

Flagship

PRE5TIGE

$679

A five-driver tribrid with bone conduction and a magnetostat super-tweeter. Signed and serial-numbered.

5-driver tribrid 5-way crossover 4.4mm BlackCat cable

Explore PRE5TIGE

Retired

Hexad

$275

Six drivers, dual opposed dynamics, and real stabilized-wood faceplates. Succeeded by the Hexad II.

6-driver tribrid Wood faceplates 4.4mm copper cable

Explore Hexad

Tetrad · retired

The original 4-driver that started it all. No longer in regular production, but Isaiah still builds them on request.

View the Tetrad

In the workshop

The next SymphonyEars

There is always something on Isaiah’s bench. Join the waitlist and you will hear about new models and small-batch drops first.

Join the waitlist

1-Year Warranty

Full parts & labor coverage. If anything goes wrong, you just cover shipping.

Built to Order

Each pair is hand-assembled for you and ships in about 2–4 weeks.

Personally Tuned

Every set is hand-tuned and quality-checked by Isaiah before it leaves the bench.

Talk to the Maker

No call center, no ticket queue. You email the person who built your IEMs.