100V ceiling speakers that are 100 percent high output, high efficiency and high vocal definition, this trio is the objective and many claim it, but few can make it happen across an entire product range. Q-Space 100V speakers not only meet specification but also add reliability. Quest Engineering QTC range of flush mounted 100V ceiling speakers have been built in two versions, either with back can or without. All speakers are co-axial for improved intelligibility and offer excellent intelligibility. All speakers in the range are of a 'fast fit' nature, featuring white metal grills.