HardWire's HT6 Polyphonic Tuner takes you from tuning to tuned, fast, by showing you the status of each individual string after one strum. Plucking thru your strings one-at-a-time as you tune is becoming a thing of the past. Time to open yourself up to strum-and-done tuning so you can see what strings are out of tune instantly so you can get back to rocking like there's no tomorrow. HardWire HT6 Features - True Bypass circuitry preserves your tone when bypassed - 5 Tuning Modes: Standard, Drop-D, 4-String, 5-String, and 6-String Bass - Player intuitive display with 90 LEDs, 15 per string - 9V Battery Operation with Constant High-Voltage Rails - 9V DC Power output for power chains with optional cable - Patented Pedal Release Pins for fast access to battery compartment - Rugged, all metal construction for durability - Slightly wider footprint for stability on stage