Part: 1CBK. Behringer 1C Ultra-Compact Monitor Speakers - 2 x Wall/Ceiling Mounting Brackets - Behringer 1 Year Limited Warranty. Each speaker has a 5.5" woofer and a 0.5" tweeter that provides a linear frequency response of 60 Hz to 23 kHz.
Behringer 1CBK Ultra-Compact Monitor Speaker (Black) - Pair. Behringer 1CBK Ultra-Compact Monitor Speaker (Black) (Priced in pairs, sold only in pairs). Ultra-linear frequency range from 60 Hz to 23 kHz.