FiR Audio Frontier Series (XE6, KR5, NE4) Introduction and Comparison.

Review and Comparison of FiR Audio Frontier Series Xenon 6 (XE6), Krypton 5 (KR5), and Neon 4 (NE4) hybrid IEMs featuring Kinetic Bass. Continue reading FiR Audio Frontier Series (XE6, KR5, NE4) Introduction and Comparison.