hear.reviews
Campfire Audio Announces IO and updated Polaris IEMs - Headphone & Earphone Reviews
Campfire Audio has announced the new IO and updated Polaris IEMs at the Tokyo 2019 Spring Fujiya Avic Headphone Festival. The IO is a dual-balanced armature driver IEM (one high frequency, one low frequency) which includes a silver-plated copper litz wire cable and beryllium copper MMCX connectors. The design uses Campfire Audio’s Tuned Acoustic Expansion …