UB804

UB804 Mahogany Oil Burst

The UB804 Upswing is a four string Upright Bass series electric bass model introduced by Ibanez for 2018. It is made in Indonesia.

The UB804 features neck through body construction with a maple body attached to a maple and walnut neck with a fretless jatoba fingerboard with offset white dot position markers. Components include a Mono-rail V bridge with 30mm string spacing and special AeroSilk piezo pickups, a plastic nut, and Ibanez tuning machines. Included with the UB804 are a custom TAMA RoadPro stand and a gig bag.

For 2022 the brand of strings included from the factory was changed.

The UB805 is a five string version.

Specifications

Related content: Upright Bass series |

Specifications for UB804

Model name: UB804 Year(s) offered: 2018–2026 Sold in: Americas & Oceania / Asia & Africa / China / Europe / Japan / USA 2018–2020 / USA & Canada 2021–2026 Made in: Indonesia Price: MSRP: US$1,239.99 (2018) / US$1,515.54 (2022) / US$1,584.43 (2023) / €1,099 (2024) • SMAP: US$1,099.99 (2022) / US$1,149.99 (2023–2025) / US$1,199.99 (2026) Finish(es): Black Ice Burst Low Gloss (BUL) 2021–2023; 2026 / Mahogany Oil Burst (MOB)
Body Body type: Solid body Body material: Maple Neck joint: Neck-thru Bridge: Custom MR5P Mono-rail V fixed w/ AeroSilk piezos (30mm string spacing) Knob style: Knurled metal dome Hardware color: Black matte	Neck Neck type: UB4 Neck material: 5-piece maple/ walnut Scale length: 864mm / 34" Fingerboard material: Jatoba Fingerboard inlays: Offset white dot Frets: Fretless Nut: Plastic (42mm) Machine heads: Ibanez die-cast String gauge (factory): 2018–2021: .045/.065/.080/.100 2022–2026: .045/.065/.080/.100 (D'Addario ECB81 flatwound) Factory tuning: 1G,2D,3A,4E (E standard)	Electronics/ case Electronics: Active tone Controls: Volume / Tone / Trimpots on rear to adjust piezo gain Battery: 9V Output jack: ¼" stereo (rear mounted) Included gig bag: yes

About this table

Images

Other available finish

Black Ice Burst Low Gloss

Additional details

Front of body

Rear of body

Controls layout

Videos

Ibanez "Upswing" UB804 Upright Bass featuring Keisuke Torigoe

Ibanez "Upswing" UB804 Upright Bass featuring Hideyan(Calmera)

Ibanez "Upswing" UB804 Upright Bass featuring Juan Garcia-Herreros (SNOW OWL)

Sources

• UB804-MOB (1P-01) parts list, Ibanez parts catalog, archived January 2026
• UB804 product page, Ibanez USA, archived November 2019
• UB804 product page, Ibanez USA, archived January 2020
• UB804 product page, Ibanez China, archived January 2021
• UB804 product page, Ibanez Americas and Oceania, archived June 2022
• UB804 product page, Ibanez USA & Canada, archived January 2023
• UB804 product page, Ibanez Japan, archived January 2024
• UB804 product page, Ibanez Japan, archived February 2025
• UB804 product page, Ibanez Europe, archived February 2025
• UB804 product page, Ibanez Asia & Africa, archived January 2026