guitar tuner input

$19.99 Korg Input/Output Chromatic Tuner For Guitar or Bass (CA-40)* Korg USA Dealer	$4.49 KORG CHROMATIC TUNER CA-30 Guitar Bass acoustic mic 1 input battery pwr speaker
$29.99 Korg Digital Tuner & Beat or Ryhthm Metronome + Input & Headphone Jacks (TM-40)	$12.95 Matrix SR-1050 Chromatic Tuner,Fully Automatic, 1/4" Input w/built in mic
$99.99 Korg Pitchblack+ Dual Input High Accuracy Pedal Tuner - BLACK