Boss Effects Pedal Parts


Click on photo for
 larger view

 TACT SWITCH, PC MOUNT
Fits the following:  Boss ME-5.  Casio CZ-1000, CZ-3000, CZ-5000.  Ibanez TS9 Tube Screamer.  Kawai K3, Korg DW Series, EX-8000, KPR-77, Poly-61.  Kurzweil K1000, K1200, K2000.  Roland Axis-1, FC-100, GR-700, JX-8P, PG-800, TB-303, TR-606.  Yamaha DX7, DX9, KX88.  Oberheim Matrix 6/6R/1000.  Sequential Circuits Multi-Trak.   Boss part # 13129715.  Korg # 37505000.  Roland # 13129715.  Yamaha # KA905510.  12mm x 12mm (about 1/2" x 1/2").   Height of switch from under the base to the top of the plunger is about 7mm.   Data Sheet here.
Part #FS-621		 $0.99  

FOOT SWITCH, REPLACEMENT FOR BOSS EFFECT PEDALS

Replacement for Boss effects pedals, SPST momentary, push switch. Mounts in square hole approximately .55" x .55" x 1.08" overall length including terminals.

Part #FS-511		 $4.50  


Click on photo for
 larger view		 SCREWS FOR BOTTOM PLATE - BOSS PEDALS (ALSO SOME ELECTRO-HARMONIX PEDALS)
Replacement bottom plate screws for some Boss pedals.   #4 X 1/4", set of 4, nickel plated.

 Part #SC-971		 $1.99
(for a set of 4 screws)		  

 

Click on photo for
 larger view		 BOSS POWER JACK FOR MANY DIFFERENT BOSS MODELS.
This DC power jack is found on vintage MIJ Boss pedals and others. This jack has a 2.1mm pin for use with 5.5mm barrel plugs. Three solder lugs are available for tip, ring, and switch.   Outside dimensions of jack face are 13.0 mm W x 15.5 mm H.   Total depth of jack assembly (including solder lugs) is 18.5 mm.

 Part #BJK-407		 $1.49  


Click on photo for
 larger view		 RUBBER GROMMET FOR THE FRONT OF SOME BOSS PEDALS
These grommets fit into the oval-shaped hole where the thumbscrew is inserted in Boss Pedals.   Frequently misplaced, or wears out due to friction from the threads on the thumbscrew.

 Part #RGB-043		 $1.25
each		  


SET-SCREW
Click on photo for
 larger view		 "MIDDLE" KNOB FOR BOSS STYLE PEDALS WITH 3 KNOBS, KNURLED

This knob is a push-on for knurled shaft pots, used as the center knob on Boss pedals which have 3 knobs.   The other two knobs are typically like the K-828 knob, below.  14 mm diameter.

 Part #K-353K		 $1.79


KNURLED
Click on photo for
 larger view		 "MIDDLE" KNOB FOR BOSS STYLE PEDALS WITH 3 KNOBS, KNURLED

This knob is a set-screw knob for smooth shaft or D-shaft pots, used as the center knob on Boss pedals which have 3 knobs.   The other two knobs are typically like the K-828 knob, below.  14 mm diameter.

 Part #K-353S		 $1.79


KNURLED
 Click on photo for
larger view		 BOSS KNOB KIT FOR 3-KNOB BOSS STYLE PEDALS, PUSH-ON KNURLED TYPE

This contains all three knobs used on many models of Boss pedals.  All three knobs are push-on, for knurled pots.   The two larger knobs are 20mm in diameter, the smaller knob for the middle position is 14 mm in diameter.

 Part #K-727K		 $5.69


SET-SCREW
 Click on photo for
larger view		 BOSS KNOB KIT FOR 3-KNOB BOSS PEDALS, SET SCREW TYPE

This contains all three knobs used on many models of Boss pedals.  All three knobs are set-screw type. The two larger knobs are 20mm in diameter, the smaller knob for the middle position is 14 mm in diameter.

 Part #K-727S		 $5.69


SET-SCREW
Click on photo for
larger view		 KNOB, BLACK KNOB WITH WHITE LINE, SILVER TOP, SET SCREW WITH BRASS INSERT.   CLASSIC LOOK FOUND ON BOSS EFFECTS PEDALS

Small size 0.78" (20mm) diameter, 0.43" (11mm) tall, fits smooth 1/4" shaft.  Classic look found on Boss FX units.  With set screw.

Part #K-828		 $1.95  


SET-SCREW
Click on photo for
larger view		 KNOB, BLACK KNOB WITH WHITE LINE, SILVER TOP, SET SCREW WITH BRASS INSERT.  CLASSIC LOOK FOUND ON BOSS EFFECTS PEDALS

Medium size 0.91" (23mm) diameter, 0.5" (12mm) tall, fits smooth 1/4" shaft.   Smooth silver top.  Classic look found on Boss FX units.  With set screw.

Part #K-348		 $1.95  


SET-SCREW
Click on photo for
larger view		 KNOB, BLACK KNOB WITH WHITE LINE, SILVER TOP, SET SCREW WITH BRASS INSERT.  CLASSIC LOOK FOUND ON BOSS EFFECTS PEDALS

Large size 1.06" (27mm) diameter, 0.6" (15mm) tall, fits smooth 1/4" shaft.  Smooth silver top.  Classic look found on Boss FX units.  With set screw.

Part #K-372		 $1.95  


KNURLED
Click on photo for
larger view		 KNOB, BLACK KNOB WITH WHITE LINE, SILVER TOP, FOR KNURLED SHAFT POTS.   CLASSIC LOOK FOUND ON BOSS EFFECTS PEDALS
Small size 0.78" (20mm) diameter, 0.43" (11mm) tall, fits 1/4" knurled shaft.  Classic look found on Boss FX units. 
Part #K-842		 $1.95  


Click on photo for
larger view		 ROLAND JACK NUT, FOR ROLAND AND ZOOM.   FITS MOST ROLAND KEYBOARD AND AMPLIFIER JACKS, AND SOME ZOOM PROCESSORS
Replacement jack nut for Roland products.  Fits Roland models AT-90S, JC120, KC60, CUBE-15XL, MICRO CUBE, JP-8080, HP-335, KR117M-PE, CUBE Street, BC30, BC60, BC210, BC310, JUNO-2, JX-10, KC100, KC350, KC550, KCW-1, FP8, MKS-20, MKS-50, MKS-70, U-20, U-220, D-50, D-550, RD-250, RD-300, CUBE-15, CUBE-30, CUBE-60, GP-16, TU-12, TU-12P and others.   Also fits Zoom Models 9030 and 9050 Processors from the 1990s.
 Part #JN-756		 $3.15


Click on photo for
larger view		 JACK, 1/4", CHROME NUT, CLOSED CIRCUIT, PC MOUNT   Stereo T/R/S jack, no switching.   This jack can be found in many modern versions of the classic Boss pedals such as the DS-1 and SD-1. Nut and washer included.  
 Part #J-739		 $3.95

 
Click on photo for
larger view		 JACK, 1/4", BOSS PEDALS, OPEN CIRCUIT MONO, STEREO LUGS, METAL BUSHING
 High quality Japanese made ¼” mono jack found in many Boss pedals. This jack has two solder lugs - one for the tip and one for the sleeve.  This style of jack has been widely used across the industry and can also be found in many Roland items.  Includes nut and washer.

 Part #J-537		 $4.95  

 
Click on photo for
larger view		 JACK, 1/4", BOSS PEDALS, OPEN CIRCUIT STEREO, SOLDER LUGS, METAL BUSHING
 High quality Japanese made ¼” stereo jack found in many Boss pedals. This jack has three solder lugs - one for the tip, one for the ring, and one for the sleeve.  This style of jack has been widely used across the industry and can also be found in many Roland items.  Includes nut and washer.

 Part #J-538		 $4.95  



 Click on photo for
larger view
 JACK, 5-PIN Low Profile, 1/4".  Used in some effects pedals, including certain Boss™ pedals.  Has 5 pins, located right down the center of the jack (one pin toward the front of the jack, then 2 rows of 2 pins each, centered).    Nut and washer are included,   Note:  Gold trim ring on face of jack.


Part #J-575		 $4.50  


Click on photo for
larger view		 JACK, 1/4", MONO, OPEN CIRCUIT, WIRED, Switchcraft™
Found in many guitars, effects pedals, amps speaker output.  Includes nut and washer.
 Part #J-11		 $4.29


Click on photo for
larger view		 JACK, 1/4", TIP-RING-SLEEVE, OPEN CIRCUIT, WIRED, Switchcraft™
Used with T/R/S plugs for either balanced connections or stereo connections.   Also very common in guitars with active pickups, and as the input jack on some effects pedals.   The ring conductor is used in these cases to "turn on" the battery by tying one leg of the battery to ground via the plug.  Fender part number 0013043000.
Part #J-12B		 $4.35

Op-Amp, 4558, very common in amplifiers, mixers, power amps.  8-pin DIP
Part #NJM4558-D		 $1.00

Low-noise 5532 Dual Op-Amp in 8-pin DIP package.
Part #NE5532		 $1.50

Low-noise 5534 Single Op-Amp in 8-pin DIP package.
Part #NE5534		 $1.50

Low-noise 2068 Dual Op-Amp in 8-pin DIP package.
Part #NJM2068		 $1.50

Low-current, JFET input, TL062 Dual Op-Amp in 8-pin DIP package.   Compatible with TL072 designs, with significantly lower current draw.   Good choice for battery-operated pedals to increase battery life.
Part #TL062		 $1.00

Low-noise, JFET input, TL071 Single Op-Amp in 8-pin DIP package.  Also TL071CN.
Part #TL071CP		 $1.50

Low-noise, JFET input, TL072 Dual Op-Amp in 8-pin DIP package.  Also TL072CN.
Part #TL072CP		 $1.60

High slew rate, JFET input, TL082 Dual Op-Amp in 8-pin DIP packag
Part #TL082		 $1.90


4808-3004		 From the 3M Company ... 8-pin DIP socket, fits all of the 8-pin op-amps above.   We recommend installing a socket first whenever you replace an op-amp - it makes future repairs much quicker and easier!
 #4808-3004		 $0.35

Copyright ©2025 Studio Sound Electronics - All Rights Reserved
Not responsible for web site errors or omissions.

All company names, logos and product names mentioned on these pages are trademarks of their respective owners.

  WARNING: These products may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov