64 Audio A4s - Custom In-Ear Monitor R2R R-2R is no longer an

R-2R is no longer an unfamiliar term in the portable market

noticeable refinement in sound

Instrument separation

rich and clean power supply is always emphasized in audio circles

Soft Silver-Plated OFC Cable

64 Audio A4s - Custom In-Ear Monitor R2R R-2R is no longer anProduction time approx. 3 4 weeks Custom In Ears High End In Ear Monitors especially for you 64 Audio is proud to introduce its newest quad driver in ear monitor, the A4s. This complete redesign of our four driver platform is upgraded with the addition of the dynamic woofer driver, making it 64 Audio's second hybrid custom IEM. Alongside this major update, the A4s features our Tia technology, LID and our patented Apex and 3Dfit technologies. The A4s'