4 bands acoustic guitar preamp equalizer

{"cid":"91221703","title":"4 Bands Acoustic Guitar Preamp Equalizer With Digital Procedding Tuner","imgUrl":"https:\/\/img.chinax.com\/nimg\/12\/6b\/05c4d55641457c6e4e7d162916a2-200x200-1.jpg","attrs":{"Price":"$10.21\uff08Exclude Freight\uff09","Brand Name":"Alnicov","Model Number":"HEQ-3","Minimum Order Quantity":"10","Delivery Time":"1~3Days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1000 Pcs\/7Days","Packaging Details":"Box","Led Indicator":"On\/Off","Frequency Range":"20Hz-20kHz","Type":"4 Bands EQ Equalizer Pickup","Boost\/Cut Range":"+\/- 12dB","Weight":"77 G","Power Supply":"9V Battery (Not Included)","Housing Material":"ABS","Controls":"Bass, Middle, Treble"}}