Carlos O'Connell

In a photo on the official Instagram account of Fontaines D.C., the MXR M135 Smart Gate can be seen on the pedalboard of guitarist Carlos O'Connell, positioned right beside the Boss Tremolo.

In a photo on the official Instagram account of Fontaines D.C., a Lehle 3At1 Sgos Switcher Guitar Pedal can be seen on the pedalboard of guitarist Carlos O'Connell.

In the KEXP session featuring Fontaines D.C. recorded on May 28, 2019, Carlos O'Connell is visibly using the Danelectro Billionaire BB-1 Billion Dollar Boost on his pedalboard, fifth pedal in the signal chain. This can be clearly seen at approximately 30:07 in the video provided by KEXP.

In a photo posted on Carlos O'Connell's Instagram page, he is clearly seen adjusting the Mellotron M4000D on stage before a performance, confirming his use of this specific music gear.

In an Instagram post by Fontaines DC, the Yamaha Reface CP is clearly visible on top of Carlos O'Connell's Mellotron M4000D at 25 seconds into the video, confirming its use by the artist.

In an Instagram post by Fontaines D.C., the Knas Ekdahl Moisturizer is visibly placed on top of Carlos O'Connell’s Mellotron M4000D, thereby confirming that the artist uses this specific piece of gear.

In this guitar world interview, Carlos O'Connell mentions the Soundgas 636P Preamp pedal, saying

The other main pedal would be a Soundgas Type 636P, which was ridiculously expensive. It’s based on the preamp channel on a Grampian spring reverb unit that Pete Townshend used to use as his overdrive.

This evidences the artist's use of the pedal.

In a screenshot from Fontaines DC's 2019 KEXP performance, a black Moose Electronics Sundrive Pedal is visibly placed on Carlos O'Connell's pedalboard, positioned as the third pedal from the left. This provides clear evidence of the artist's use of this specific gear.

In a screenshot from Fontaines DC's KEXP at home performance at 5:17 into the video, Carlos O'Connell's pedalboards are visible, clearly displaying the Fender Marine Layer Reverb. This visual evidence confirms the artist's use of this specific pedal.

In a screenshot from Fontaines DC's KEXP at home performance, captured at 05:17, Carlos O'Connell's pedalboard is visible, clearly showing the EarthQuaker Devices Sunn O))) Life Pedal V1. This image serves as evidence of O'Connell's use of this specific guitar pedal.

During Fontaines D.C.'s performance of "A Hero's Death" for Other Voices in 2020, at the 1:12 mark, Carlos O'Connell is visibly using the Fender TB-1200 Bass Amp Head, as evidenced by the video provided by OtherVoicesLive on YouTube, filmed at Kilmainham Gaol.

In the Fontaines D.C. performance of "A Hero's Death" for Other Voices 2020, at the timestamp 1:12, a Fender Rumble 410 cabinet is clearly visible behind guitarist Carlos O'Connell, confirming his use of this specific speaker cabinet. This performance was streamed by OtherVoicesLive on YouTube from Kilmainham Gaol as part of the #Courage2020 series.

In the performance of "A Hero's Death" by Fontaines D.C. at Other Voices Live in 2020, a Fender '65 Deluxe Reverb amplifier is visibly used by Carlos O'Connell at the 1:12 mark, situated beneath his '68 Deluxe Reverb Reissue. This confirms O'Connell's use of the Fender '65 Deluxe Reverb, as documented in the video by Other Voices Live on YouTube.

It was, however, likely used as a spare as it is not plugged in during the video and is unmic'd.

In the Fontaines D.C. performance for KEXP at Home, Carlos O'Connell is visibly using a Fender Super Bassman Pro 300W Tube Bass Amp Head, as evidenced at the 5:22 mark of the video provided by KEXP.

In the Fontaines D.C. performance of "Starburster" on "Later... with Jools Holland," the Moog MF Drive is clearly visible at the 00:10 mark, positioned on top of Carlos O'Connell's Mellotron. It is identifiable as the MF Drive due to its distinctive four knobs and two switches configuration.

"Carlos O’Connell favors this 1964 Fender Mustang, which has been upgraded with a Seymour Duncan Hot Rails pickup since Romance. It’s set up so that the single-coil pickup is always on, and he’ll add in the Hot Rails signal for particular moments."

This article states that Carlos O'Connell's pedalboard features a Ceriatone Centura.

This PremierGuitar article mentions that Carlos O'Connell uses a Vein-Tap Murder One killswitch.

In this RigRundown by Premiere Guitar, the GigRig Three 2 One can be seen on Carlos O'Connell's pedalboard

In a video by Premier Guitar, Carlos O'Connell discusses his use of the Celestion G12M-70 12" Speaker, which he integrated into a small custom cabinet to complement his Fender Twin Reverb amplifier.

At the 55:51 mark in the Premier Guitar Rig Rundown video, guitarist Carlos O'Connell is clearly seen using a TC Electronic Polytune 2 Polyphonic Tuner Pedal as part of his pedalboard during a live performance.

At 50:06 in the video provided by Premier Guitar, Carlos O'Connell discusses his use of the Fender Twin Reverb Amp and Deluxe Reverb Amp, confirming his usage of these specific pieces of gear.

In the video titled "Fontaines D.C. Rig Rundown with Conor Curley, Conor 'Deego' Deegan III & Carlos O'Connell [2025]" by Premier Guitar, Carlos O'Connell's pedalboard is shown at the 52:12 mark, where the Vein-Tap Murder One Guitar Killswitch Pedal is clearly visible.

At 52:12 in the Premier Guitar YouTube video titled "Fontaines D.C. Rig Rundown with Conor Curley, Conor 'Deego' Deegan III & Carlos O'Connell [2025]," an Eventide H9 Core Harmonizer Effects Processor is visibly attached to Carlos O'Connell's pedalboard.

At 52:12 in the Premier Guitar "Rig Rundown" video featuring Fontaines D.C., the Freqscene Effects Co. Freqscene Effects Koldwave Analog Chorus and Vibrato Pedal is clearly visible on Carlos O'Connell's pedalboard.

In the Premier Guitar Rig Rundown video featuring Fontaines D.C., at the timestamp 55:51, the GigRig Three2One Guitar Switcher is clearly visible on the top right of guitarist Carlos O'Connell's pedalboard.