Cool Tools for Musicians We have designed a number of products for guitarists and other musicians. Tired of your guitar cable killing your tone? Try our ZEROCAPTM ultra low capacitance guitar cable. It's the lowest capacitance cable in the universe! Take a look at our patented PM-150 Audio Power Meter, an audio wattmeter for your guitar, keyboard or bass amplifier. In addition to displaying the amplifier output wattage in real time (up to 300 WATTS), it has a protection feature to guard against blown speakers. Also check out our patented S-TunerTM with Knife Edge TuningTM. This guitar tuner provides convenient, accurate tuning for your Fender® Stratocaster® or compatible. If you have another type of guitar or bass, or you build instruments, the Z-TunerTM is for you! In a pickup quandary? The Guitar Pickup Tone Database let's you compare the sounds of hundreds of guitar pickups for free!