The reflex chamber makes this the loudest portable metronome available.

Seiko SQ50 Quartz Metronome

This is the newest version from Seiko. It offers two tempo sound volumes, two reference pitches (A and Bb), tempo range 40 to 208 beats per minute, and monophonic earphone jack.

The MA30 replaces the MA20. The MA30 has 6 different beat options, referance tones, tap counter from 40 to 208 beats per minute. Comes with 2 AAA batteries.

The BOSS TU80 brings an accurate LCD tuning to musicians, while adding a metrone, all for a reasonable price. Supports chromatic tuning as well as 7 string guitars and 6 string basses. Also has the Accu-Pitch function which sounds a tone when pitch is correct. Small and compact, it can fit in most instrument cases.

A compact all-in-one tuner/metronome. Use separately or together. The tuner is accurate even in the extreme bass range and can be calibrated from A=410 to 480. The metronome features a large variety of rhythm patterns and a tap tempo feature.

Features

24 Beat variations with complex beats, 9 rhythm patterns Large LCD with smooth tempo meter Tap-tempo feature 12 internal chromatic reference tones Phone jack wit adjusable volume and Auto Power-Off

The Do-Everything Dr.Beat Practice in style with the flagship of the Dr.Beat Metronome line. The DB-90 is loaded with quality sounds and drum patterns to make your practice sessions less mundane and more musical. There's a Rhythm Coach functions with an onboard mic, reference-tone function for tuning, an instrument input, MIDI input, and other handy tools to make practice fun and effective.