Yamaha Music London have four metronomes for sale that span a range of potential customer requirements and requirement combinations.
The Yamaha QT1 is designed to be heard over loud music but the volume is adjustable and can be considerably reduced if that is required. The QT1 and the Seiko SQ50 use quartz technology to ensure extremely accurate timekeeping, and these two (as well as the ME-150) have the ability to switch to silent mode, displaying the beat by means of a flashing red indicator light. The QT1 and the ME-150 have specific pitches built in to allow them to act as tuning forks. The ME-150 has a memory function to allow the quick recall of up to nine tempo settings. The Seiko DM50 is a clip-on metronome which makes it very suitable for use with a guitar or in other settings where the musician is potentially moving around or is outdoors.