Boss TU-3S

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