https://www.stereotimes.com/post/vermouth-audio-reference-micro-monitor-by-terry-london/ Design: Two-way bass reflex, front-firing port Midwoofer: Accuton C168 114mm Voice Coil 7″ Ceramic Tweeter: RAAL True Ribbon 70-20XR AM Nanocrystalline C-Core Transformer Frequency Response: 33Hz-50KHz +/-3dB Bass extension: 27Hz (-10dB) Sensitivity: 85dB @ 1W @ 1m @ 1 KHz Crossover Frequency: 1.75KHz Crossover: Jantzen & Mundorf Premium component RRP S$18,800