Violin Bow Corrector for 1/2-4/4 Violin Bow Collimator Guide Tool for Violin Beginner Teaches Proper Bow Holding Technique Accessory - Red music_UK_update_2021 Impedance: 32 Ohms Sensitivity: 100db+-3db

Impedance: 32 Ohms Sensitivity: 100db+-3db Frequency response: 20Hz-20KHz

1 inch Package Type: DIP(Dual In-line Package)Polarity: Anode (Longer Part) | Cathode (Shorter Part) Package Content: 5 pcs x Photodiodes

0 Bluetooth for wireless streaming ability

yet affordable guitar pick box

Violin Bow Corrector for 1/2-4/4 Violin Bow Collimator Guide Tool for Violin Beginner Teaches Proper Bow Holding Technique Accessory - Red music_UK_update_2021 Impedance: 32 Ohms Sensitivity: 100db+-3dbViolin Bow Corrector for 1 2 4 4 Violin Bow Collimator Guide Tool for Violin Beginner Teaches Proper Bow Holding Technique Accessory Red Product Features Violin Bow Straighten Collimator Guide Tool is used universally applicable to 1 2 4 4 violins. Made of tough plastic, durable in use, difficult to break off, wearable, no harm to your instrument. This violin bow straightener does not involve pronunciation and does not change the sound quality. Self