-BOSS five-year warranty

-21-segment LED meter with brightness control
-High-Brightness mode enhances meter visibility outdoors
-Accurate to +/- one cent
-Accu-Pitch Sign function provides visual verification when tuning is complete
-Chromatic and Guitar/Bass mode (tune by string number, with support for 7-string guitars and 6-string basses)
-Flat tuning is supported with Guitar Flat mode, which allows for “drop” tunings up to six semitones below standard pitch
-Tuner automatically mutes when the tuner is on
-Supplies power for up to seven BOSS compact effect pedals
-BOSS five-year warranty

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

Carbon-zinc battery (9V, 6F22) or Alkaline battery (9V, 6LR61)
AC adaptor (sold separately)

Bypass

Buffered bypass

Controls

Pedal switch
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 (Serves also as battery check indicator)

Connectors

INPUT jack
OUTPUT jack
BYPASS jack
DC IN jack
DC OUT jack

Current Draw

20 mA (DC 9 V)
80 mA (DC 9 V, when High Brightness mode is on)

Expected battery life under continuous use

Carbon: Approx. 5 hours
Alkaline: Approx. 21 hours
*These figures will vary depending on the actual conditions of use.

Accessories

Owner's Manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information")
Carbon-zinc battery (9V, 6F22)

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

129 mm
5-1/8 inches

Height

59 mm
2-3/8 inches

Weight (including battery)

390 g
14 oz

* 0 dBu = 0.775 Vrms

*The specifications are subject to change without notice.