Specifications Tuning Range C0 (16.35 Hz)--C8 (4,186 Hz) Reference Pitch A4 = 436--445 Hz (1 Hz step) Tuning Accuracy +/- 1 cent Modes Chromatic Chromatic flat x2 Guitar Guitar flat x2 Bass Bass flat x3 Display mode Cent mode Stream mode Power Supply AC adaptor (sold separately) Current Draw 35 mA (DC 9 V) 95 mA (DC 9 V, when High Brightness mode is on) Bypass Buffered bypass Controls MODE button STREAM/CENT button Nominal Input Level -20 dBu Input Impedance 1 M ohm Nominal Output Level -20 dBu Output Impedance 1 k ohm Recommended Load Impedance 10 k ohms or greater Indicator CHECK indicator (Power on indicator) Connectors INPUT jack OUTPUT jack DC IN jack DC OUT jack Accessories Owner's Manual Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information") Parallel DC code (DC Plug x2) Rubber foot Options (sold separately) AC adaptor: PSA series Parallel DC cord: PCS-20A (DC Plug x8) Size and Weight Width 73 mm 2-7/8 inches Depth 84 mm 3-5/16 inches Height 56 mm 2-1/4 inches Weight (including battery) 220 g 8 oz * 0 dBu = 0.775 Vrms
BOSS TunersBOSS Tuners BOSS offers a wide selection of tuner models for all types of musicians.Read more… Tuner HistoryHow to Tune Your Guitar A short history of BOSS compact tuners.Read more…
PCS-20A Parallel DC Cord Daisy-chain cable for powering multiple BOSS compact pedals from a single pedal. View Product BCK-2 Solderless Pedalboard Cable Kit Premium two-piece solderless cable kit for wiring your pedalboard. View Product BCK-6 Solderless Pedalboard Cable Kit Premium six-piece solderless cable kit for wiring your pedalboard. View Product BCK-12 Solderless Pedalboard Cable Kit Premium 12-piece solderless cable kit for wiring your pedalboard. View Product BCK-24 Solderless Pedalboard Cable Kit Premium 24-piece solderless cable kit for wiring your pedalboard. View Product BIC-PC Instrument Cable Patch/pedal cable—right-angle 1/4-inch connectors, 6-inch/15 cm length. Available individually or in a package of three (BIC-PC-3). View Product BIC-1AA Instrument Cable Patch/pedal cable—right-angle 1/4-inch connectors, 1 ft./30 cm length. Also available in 3 ft./1 m (BIC-3AA) length. View Product BIC-5 Instrument Cable Straight 1/4-inch connectors, 5 ft./1.5 m length. Also available in 10 ft./3 m (BIC-10), 15 ft./4.5 m (BIC-15), and 20 ft./6 m (BIC-20) lengths. View Product BIC-10A Instrument Cable Straight to right-angle 1/4-inch connectors, 10 ft./3 m length. Also available in 15 ft./4.5 m (BIC-15A) length. View Product BSL-25-BLK Instrument Strap Black leather strap, 2.5-inch width. Also available in 3-inch width (BLS-30-BLK). View Product BSL-25-BRN Instrument Strap Brown leather strap, 2.5-inch width. Also available in 3-inch width (BSL-30-BRN). View Product BSS-25-BLK Instrument Strap Black premium suede strap, 2.5-inch width. Also available in brown suede (BSS-25-BRN). View Product BSC-20-BLK Instrument Strap Black cotton strap, 2-inch width. Also available in brown (BSC-20-BRN) and natural (BSC-20-NAT). View Product BSB-20-BLK Instrument Strap High-quality black nylon provides rugged durability and a smooth, comfortable feel. View Product BSH-20-BLK Instrument Strap Ultra-durable black nylon with high-quality black leather end tabs. View Product BSH-20-NAT Instrument Strap Natural cotton with high-quality brown leather end tabs. View Product
Support Owner’s Manuals If you have questions about operating your BOSS product, please check our Knowledge Base for answers to the most common questions. You can also contact our Product Support department by phone or email. In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference. Owner’s Manuals TU-3S Owner's Manual TU-3S Owner's Manual (Español)
