Boss is a manufacturer of
effects pedals
An effects unit, effects processor, or effects pedal is an electronic device that alters the sound of a musical instrument or other audio source through audio signal processing.
Common effects include distortion (music), distortion/overdrive, ...
for
electric guitar
An electric guitar is a guitar that requires external electric Guitar amplifier, sound amplification in order to be heard at typical performance volumes, unlike a standard acoustic guitar. It uses one or more pickup (music technology), pickups ...
and
bass guitar
The bass guitar (), also known as the electric bass guitar, electric bass, or simply the bass, is the lowest-pitched member of the guitar family. It is similar in appearance and construction to an Electric guitar, electric but with a longer nec ...
. It is a division of the
Roland Corporation
is a Japanese multinational manufacturer of electronic musical instruments, electronic equipment, and software. It was founded by Ikutaro Kakehashi in Osaka on 18 April 1972. In 2005, its headquarters relocated to Hamamatsu in Shizuoka Prefect ...
, a Japanese manufacturer that specializes in musical equipment and accessories. For many years Boss has manufactured a wide range of products related to effects processing for guitars, including "compact" and "twin" effects pedals, multi-effect pedals,
electronic tuner
In music, an electronic tuner is a device that detects and displays the pitch of musical notes played on a musical instrument. "Pitch" is the perceived fundamental frequency of a musical note, which is typically measured in hertz. Simple tune ...
s and
pedal boards. In more recent times, Boss expanded their product range by including digital studios, rhythm machines,
samplers and other electronic music equipment.
From the mid-2010's, Boss has also made
digital signal processing
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a ...
(DSP)-based
modeling amplifiers and speaker heads such as the Waza and the
Katana
A is a Japanese sword characterized by a curved, single-edged blade with a circular or squared guard and long grip to accommodate two hands. Developed later than the ''tachi'', it was used by samurai in feudal Japan and worn with the edge fa ...
. These digital products also feature multi-effects units emulating classic Boss effects pedals.
History
The earliest Boss product was called ''B-100 The Boss'', released in 1974. This came with a clip-on pre-amp and a pickup to amplify acoustic guitars. At this point the Boss company had not been formed and it was still a Beckmen Musical Instruments product (as seen on the B-100 box). The first proper Boss foot pedal effect, the CE-1 Chorus Ensemble, was released June 1976, which was a stand-alone unit of the chorus/vibrato circuit found in the Roland JC-120 amplifier. It was a fairly large, AC-powered unit. Other foot pedals of that year are the GE-10 (a graphic equalizer), the BF-1 (a flanger unit) and the DB-5 (a distortion unit).
Boss's line of compact pedals began in 1977 with the release of six pedals, all of them discontinued: an
overdrive pedal (OD-1), a
phaser pedal (PH-1), a parametric equalizer called the Spectrum (SP-1), a 6-band graphic equalizer (GE-6), a compressor pedal (CS-1) and an automatic wah pedal (TW-1). The
Boss DS-1 was released the next year, in 1978. Their first compact
chorus
Chorus may refer to:
Music
* Chorus (song), the part of a song that is repeated several times, usually after each verse
* Chorus effect, the perception of similar sounds from multiple sources as a single, richer sound
* Chorus form, song in whic ...
pedal (CE-2) came in 1979, and their first
flanger
Flanging is an audio effect produced by mixing two identical signals together, one signal delayed by a small and (usually) gradually changing period, usually smaller than 20 milliseconds. This produces a swept comb filter effect: peaks and ...
pedal (BF-2) in 1980. In 1983 Boss released the DD-2 Digital Delay, the first mass-produced digital delay in a compact pedal format. The Metal Zone (MT-2) was released in 1991. In 1992 Boss released nine new pedals, including the Turbo Distortion (DS-2). The
Heavy Metal (HM-2) distortion pedal was an integral part of the guitar sound of many styles of heavy metal music ever since. The pedals all share the same 'footprint', for compatibility with pedal boards.
Boss introduced COSM (Composite Object Sound Modeling), Roland's proprietary version of digital
modeling technology, into their AC-3 Acoustic Simulator pedal in 2006. Boss has since released several pedals using COSM, including the FBM-1 '59 Fender Bassman pedal and FDR-1 '65 Fender Deluxe Reverb pedal, introduced at the Winter NAMM show in January 2007.
All Boss compact pedals use a "buffered bypass" type of silent foot switching utilizing Field Effect Transistors (FETs) to avoid clicks and pops. While not "true" bypass, the buffered bypass has the advantage of preventing signal loss due to long runs of cable, while keeping original guitar tone intact.
[http://www.geofex.com/Article_Folders/bypass/bypass.htm GEOFEX-Ins and Outs of Effect Bypassing]
Japan, Taiwan and Malaysia

Boss compact pedals were originally produced in Japan, until circa 1990 when production moved to Taiwan. Earlier units came with a metal screw securing the battery compartment; later models retained the metal screw, adding a plastic knob for tool-less battery removal. The labels on the bottom of the pedals come in several different colours including black, silver, green, pink and blue. Apart from this the basic external design has remained unchanged for almost half a century.
The DS-1 Distortion circuit design has changed significantly twice throughout its lifetime; the first time was around 1994 when the Toshiba TA7136AP op-amp was replaced with a Rohm BA728N. In 2000 the op-amp was again changed. This time it was replaced with the Mitsubishi M5223AL. The latest op-amp change occurred in 2007, when new DS-1 pedals began shipping with the NJM3404AL op-amp.
In 2014, Boss released the Japanese-made "Waza-Craft" line of premium pedals, built with higher-end components featuring reissues of highly sought after vintage Boss effects such as the DM-2W Analog Delay, CE-2W Analog Chorus and DC-2W Dimension C. "Waza" means "art" and "technique" in Japanese.
In 2017 Boss released the 500 series pedals as their flagship design, complete with digital display and preset banks, similar to the design of
Strymon pedals featuring presets, programmable algorithms and customizable midi options.
In 2019, Boss discontinued the twin format 20 series pedals and replaced the line with the 200 series.
As of 2019 around the launch of the DD3T and DD8 Digital Delays, Boss moved production from Taiwan to Malaysia. The Malaysian black label on the bottom looks similar to the modern era Taiwan label, verifying the new location of manufacturing.
Notable pedals
BD-2 Blues Driver
In 1995, Boss released the BD-2, an overdrive pedal aimed at blues players who sought to add distortion while maintaining their amp's signal clarity and dynamics.
At the time, blues was experiencing a resurgence thanks to
Eric Clapton
Eric Patrick Clapton (born 1945) is an English Rock music, rock and blues guitarist, singer, and songwriter. He is regarded as one of the most successful and influential guitarists in rock music. Clapton ranked second in ''Rolling Stone''s l ...
and
Gary Moore
Robert William Gary Moore (4 April 19526 February 2011) was a Northern Irish musician. Over the course of his career, he played in various groups and performed a range of music including blues, blues rock, hard rock, Heavy metal music, heavy ...
. The pedal has a clear, punchy tone and features a flatter EQ-curve for a more amp-like tone than similar pedals, like the
Ibanez Tube Screamer
The Ibanez Tube Screamer is an overdrive pedal made by Ibanez. First developed by Maxon as a competitor to the Boss OD-1, it was sold outside of Japan under the Ibanez brand and became popular among guitarists for its characteristic mid-boos ...
.
Notable players who use the BD-2 include
Tom Morello
Thomas Baptist Morello (born May 30, 1964) is an American guitarist, singer, songwriter, and political activist. He is known for his tenure with the rock bands Rage Against the Machine and Audioslave. Between 2016 and 2019, Morello was a membe ...
of
Rage Against the Machine
Rage Against the Machine (often abbreviated as RATM or shortened to Rage) was an American Rock music, rock band formed in Los Angeles, California, in 1991. It consisted of vocalist Zack de la Rocha, bassist and backing vocalist Tim ...
and
Billie Joe Armstrong
Billie Joe Armstrong (born February 17, 1972) is an American musician and actor. He is best known for being the lead vocalist, guitarist, and primary songwriter of the rock band Green Day, which he co-founded with Mike Dirnt in 1987. He is als ...
of
Green Day
Green Day is an American Rock music, rock band formed in Rodeo, California, in 1987 by lead vocalist and guitarist Billie Joe Armstrong and bassist and backing vocalist Mike Dirnt, with drummer Tré Cool joining in 1990. In 1994, their majo ...
.
CE-1 Chorus Ensemble
Boss released its first pedal, the CE-1, in 1975 after the "chorus" effect proved popular among guitarists with its use in the
JC-120 and JC-60 Jazz Chorus amplifiers, released by Boss's parent company
Roland Corporation
is a Japanese multinational manufacturer of electronic musical instruments, electronic equipment, and software. It was founded by Ikutaro Kakehashi in Osaka on 18 April 1972. In 2005, its headquarters relocated to Hamamatsu in Shizuoka Prefect ...
.
The pedal was housed in a large enclosure, typical for effects at the time, and featured two footswitches for on/off and to toggle between the unit's vibrato and chorus effects. The pedal worked in mono and stereo, and its "thick, spatial, and multidimensional" quality inspired numerous other companies to copy the pedal.
With the introduction of Boss's compact pedal format in 1977, the CE-1 was replaced by the CE-2 in 1979.
Andy Summers
Andrew James Summers (born 31 December 1942) is an English guitarist best known as a member of the rock band the Police. Prior to joining the Police, Summers had been a member of several bands during the 1960s, including Zoot Money's Big Roll ...
of
The Police
The Police were an English rock band formed in London in 1977. Within a few months of their first gig, the line-up settled as Sting (lead vocals, bass guitar, primary songwriter), Andy Summers (guitar) and Stewart Copeland (drums, percussi ...
was a notable fan, using the pedal on songs like "
Message in a Bottle
A message in a bottle (abbrev. MIB) is a form of communication in which a message is sealed in a container (typically a bottle) and released into a conveyance medium (typically a body of water).
Messages in bottles have been used to send distres ...
" and "
Don't Stand So Close To Me
"Don't Stand So Close to Me" is a hit song by the British rock band the Police, released in September 1980 as the lead single from their third studio album ''Zenyatta Mondatta''. It concerns a teacher who has sexual fantasies about a student.
...
."
DD-3 Digital Delay
In the early '80s, Boss was able to fit the circuitry of its best-selling SDE-3000 digital rack delay into the form factor of its analog DM-2 delay, branded as the DD-2 digital delay. A subsequent drop in component costs allowed the pedal to be sold for a lower price in 1986 as the rebranded DD-3, which has gone through three distinct versions, with latest still in production.
Music Radar
Future plc is a British publishing company. It was started in 1985 by Chris Anderson. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
History
1985–2012
The company was founded by Chris Anderson as ...
dubbed the DD-3 the "gold standard" in compact digital delays and fans include
Radiohead
Radiohead are an English rock band formed in Abingdon-on-Thames, Abingdon, Oxfordshire, in 1985. The band members are Thom Yorke (vocals, guitar, piano, keyboards); brothers Jonny Greenwood (guitar, keyboards, other instruments) and Colin Gre ...
,
Blur, and
The Cult
The Cult are an English Rock music, rock band formed in Bradford in 1983. Before settling on their current name in January 1984, the band had performed under the name Death Cult, which was an evolution of the name of lead vocalist Ian Astbury ...
.
DS-1 Distortion

Introduced in 1978, the DS-1 was Boss's first distortion pedal, and second pedal release overall, following the CE-1 Chorus Ensemble.
The DS-1 uses two hard-clipping diodes for an aggressive edge, similar to the
ProCo Rat, released the same year. This type of circuit became known as "distortion," as opposed to the soft-clipping "overdrive" of Boss's later overdrive pedals.
The DS-1 uses a preamplifier instead of the conventional op-amp for a gritty, warm tone. When the original Toshiba TA7136AP preamp became scarce, the circuit was redesigned in 1994, introducing several "quirks"—lower volume levels, noise at higher gain levels, and a "waspy" edge due to higher frequencies not being filtered out. These issues led to the pedal being popular among modifiers.
The DS-1 is Boss's bestselling pedal of all time.
MT-2 Metal Zone
The Metal Zone was released in 1991, following the discontinuation of the earlier
HM-2 Heavy Metal, which failed to sell well during its production run, but was popular among
death metal
Death metal is an extreme metal, extreme subgenre of heavy metal music. It typically employs heavily distorted and low-tuned guitars, played with techniques such as palm muting and tremolo picking; deep death growl, growling vocals; aggressive ...
players, since amplifiers of the time were not capable of the amount of distortion players wanted without being boosted with a pedal. With the MT-2, Boss sought to appeal to that market with an improved pedal as death metal's popularity surged.
The MT-2 sported a complex design for a distortion pedal, with a dual-stage gain circuit, seven filters for both pre- and post-distortion, and a semi-parametric three-band EQ section. The pedal's thick, saturated, tight tone
and the extreme sounds the pedal was able to produce thanks to its powerful EQ controls made the MT-2 divisive both upon its release and throughout its ongoing production. ''
Guitar World
''Guitar World'' is a monthly music magazine for guitarists and fans of guitar-based music and trends. The magazine has been published since July 1980. ''Guitar World'', the best-selling guitar magazine in the United States, contains original a ...
'' characterized the general reaction to the pedal as "inspiring or confusing,"
and the pedal is often lampooned on the internet as the worst distortion ever made. Many in the metal community embraced the sound, however, with Nathan Weaver of
Wolves in the Throne Room favorably describing the MT-2 as a "fucked-up, corpse-grinding type sound."
Despite this, the pedal has found fans like
Prince
A prince is a male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary, in some European states. The ...
when used on lower gain settings or as a boost.
The Metal Zone has sold over a million units, making it the company's best-selling pedal behind only the DS-1.
In 2021, Boss released a grey-on-black variant, the MT-2-3A, celebrating the pedal's 30 years in production.
OD-1 Overdrive

With the 1977 release of the OD-1 Overdrive, Boss coined the term "overdrive," a reference to the pedal's asymmetrical-clipping, tube-like distortion
in comparison to the brash sound of "fuzz" pedals available.
The OD-1's layout was simple—with only "Level" and "Overdrive" controls. The OD-1 was an immediate success, as the pedal afforded players more amp-like distortion at lower volume levels no matter what amp was being used. Within a few years, however, the pedal's voicing was considered overly "sweet" as rock music became more aggressive and the fixed frequency limited its versatility. With the surging popularity of the OD-1-influenced
Ibanez Tube Screamer
The Ibanez Tube Screamer is an overdrive pedal made by Ibanez. First developed by Maxon as a competitor to the Boss OD-1, it was sold outside of Japan under the Ibanez brand and became popular among guitarists for its characteristic mid-boos ...
and its addition of a tone control, Boss began including a "Tone" knob on its pedals with the 1981 SD-1 and the OD-1 was discontinued in 1985.
Boss continued the Overdrive line with the four-knob OD-2 Turbo Overdrive, produced from 1985 to 1995, and subsequently the three-knob OD-3, which is still in production.
SD-1 Super Overdrive
The Super Overdrive was released in 1981 as Boss's second overdrive pedal, adding a tone control to the earlier OD-1 design, while continuing to replicate the sound of tube amp-style overdrive
via an asymmetrical clipping circuit and an inherent midrange-focus, but with less bass roll-off.
The asymmetrical clipping lent the pedal a more aggressive character compared to the rival Tube Screamer, and it became popular in the growing hard rock and heavy metal subgenres with guitarists frequently using it to boost already-overdriven amplifiers like the
Marshall JCM800 into higher-gain sounds.
The SD-1 has long been popular as an affordable pedal for new players,
as well as professionals. Notable fans include
Jimmy Page
James Patrick Page (born 9 January 1944) is an English musician and producer who achieved international success as the guitarist and founder of the Rock music, rock band Led Zeppelin.
Page began his career as a studio session musician in Lo ...
,
John Frusciante
John Anthony Frusciante ( ; born March 5, 1970) is an American musician and the guitarist of the Red Hot Chili Peppers, having been with the band across three iterations. He has released 11 solo albums and 7 EPs, ranging in style from acoustic gu ...
,
Josh Homme
Joshua Michael Homme ( ; born May 17, 1973) is an American musician, singer-songwriter, multi-instrumentalist, and record producer. He is best known as the founder and only continuous member of the rock band Queens of the Stone Age, which he for ...
,
Jonny Greenwood
Jonathan Richard Guy Greenwood (born 5 November 1971) is an English musician. He is the lead guitarist and keyboardist of the rock band Radiohead, and has composed numerous film scores. He has been named one of the greatest guitarists by numer ...
,
David Gilmour
David Jon Gilmour ( ; born 6 March 1946) is an English guitarist, singer and songwriter who is a member of the rock band Pink Floyd. He joined in 1967, shortly before the departure of the founder member Syd Barrett. By the early 1980s, Pink F ...
,
Joe Satriani
Joseph Satriani (born July 15, 1956)Prato, Greg"Joe Satriani – Music Biography, Credits and Discography". ''AllMusic''. Rovi Corporation. Retrieved May 28, 2014. is an American rock music, rock guitarist, composer, and songwriter. Early in hi ...
,
Zakk Wylde
Zachary Phillip Wylde (born Jeffrey Phillip Wielandt; January 14, 1967) is an American rock musician. He is best known as the lead guitarist for Ozzy Osbourne and as the founder, lead guitarist, lead singer, songwriter and producer of the heav ...
,
The Edge
David Howell Evans (born 8 August 1961), better known as the Edge or simply Edge,McCormick (2006), pp. 21, 23–24 is a British-Irish musician, singer, and songwriter. He is best known as the lead guitarist, keyboardist, and backing vocalist o ...
, and
Prince
A prince is a male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary, in some European states. The ...
.
In 2021, Boss released a 40th anniversary edition of the pedal,
with the original circuit having remained unchanged since its introduction. ''
Guitar
The guitar is a stringed musical instrument that is usually fretted (with Fretless guitar, some exceptions) and typically has six or Twelve-string guitar, twelve strings. It is usually held flat against the player's body and played by strumming ...
'' dubbed the pedal one of only a handful to ever achieve "truly iconic status."
Gallery
File:Boss DS-1 On.jpg, DS-1 Distortion
File:Boss DS-2 Distortion Pedal.jpg, DS-2 Turbo Distortion
File:BossHM2HeavyMetal.jpg, HM-2 Heavy Metal
File:BOSS Blues Driver BD-2 top view.jpg, BD-2 Blues Driver
File:Boss DD-3_Digital_Delay.jpg, Boss DD-3 Digital Delay
File:Boss_SD-1_Super_Overdrive.jpg, SD-1 Super OverDrive
File:Boss DM-2W.png, DM-2W Delay Waza Craft
See also
*
List of distortion pedals
References
Further reading
*
External links
*
{{Roland
Music equipment manufacturers
Guitar effects manufacturing companies
Electronics companies established in 1973
Japanese companies established in 1973
Hamamatsu