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Bob and Brad S9 Ultra

Ranked #18 of 34 in Best Massage Guns: Theragun, Hypervolt, Bob and Brad, Renpho, Ekrin & Opove (2026). Here is every spec we scored, where it came from, and how it compares.

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#18

Bob and Brad S9 Ultra

Best for: 5 h battery with heat

3.8/10

What we like

    Watch out for

    • Stall force not published by Bob and Brad
    • Noise not published by Bob and Brad

    Score breakdown

    Amplitude (stroke) 25%
    Stall force * 20%
    Battery life 15%
    Noise * 10%
    Weight 10%
    Heated head included 10%
    Top speed 5%
    Speed settings 5%

    * Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

    Amplitude (stroke)8 mm
    Stall forceNot listed
    Battery life5 h
    NoiseNot listed
    Weight1.26 lb
    Heated head includedYes
    Top speed2800 per min
    Speed settings5
    Percussion range1,600–2,800 per minute
    PriceCheck price
    Check price at Amazon
    Specs source:

    How it compares

    Open the full comparison table

    Bob and Brad D6 Pro
    6.5/10
    #1 · Highest stall force here: 85 lb with 16 mm amplitude
    Bob and Brad D6 Pro Max+
    6.5/10
    #2 · 16 mm amplitude, 85 lb stall force
    Ekrin Kestrel
    6.1/10
    #3 · Widest range here: 1,800–3,500 RPM, 8 h battery
    Opove Apex
    5.8/10
    #4 · 14.5 mm amplitude at 49 dB
    Opove M3 Pro
    5.8/10
    #5 · 70 lb stall force with 12 mm amplitude
    Bob and Brad X6 Pro Max
    5.5/10
    #6 · 55 lb stall force with heat and cold heads
    Renpho Active+
    5.4/10
    #7 · 10 mm amplitude, 50 lb stall force, 3.5 h
    Bob and Brad C2 Ultra
    5.2/10
    #8 · 44 lb stall force at 42 dB
    Bob and Brad A7 Mini
    5.1/10
    #9 · 11 mm amplitude in a 1.3 lb mini
    Renpho Power+ Thermacool
    5.0/10
    #10 · 12 mm amplitude, 6 speeds, 4 h battery
    Bob and Brad D5 Pro
    5.0/10
    #11 · 13 mm amplitude, 55 lb stall force, 4 h battery
    Renpho Active+ Thermacool
    4.7/10
    #12 · 50 lb stall force with heat and cold head
    Theragun Prime Plus
    4.7/10
    #13 · 16 mm amplitude with 3 heat levels
    Bob and Brad T2 Ultra
    4.6/10
    #14 · 45 lb stall force under 45 dB
    Theragun PRO Plus
    4.2/10
    #15 · 16 mm amplitude with heat, LED and vibration
    Ekrin B37
    4.1/10
    #16 · 8 h battery at 35–55 dB
    Opove M3 Mini
    3.8/10
    #17 · Lightest here: 0.58 lb at 40 dB
    Bob and Brad M7 Plus Mini
    3.7/10
    #19 · 0.88 lb mini with heat
    Bob and Brad Q2 Pro Mini
    3.7/10
    #20 · 0.95 lb at 40 dB with heat and cold head
    Theragun Prime
    3.6/10
    #21 · 16 mm amplitude, drop-resistant
    Ekrin Bantam
    3.5/10
    #22 · 1.1 lb with a 6 h battery
    Renpho Mini Thermal
    3.3/10
    #23 · 0.78 lb with heat, 26 lb stall force
    Renpho Active Mini Thermacool
    3.3/10
    #24 · 8 mm mini with heat and cool head
    Hypervolt 3
    3.1/10
    #25 · Quietest Hyperice listed here: 48 dB, heated head
    Renpho Ascend
    3.1/10
    #26 · Adjustable 6–12 mm amplitude
    Hypervolt 3 Pro
    3.0/10
    #27 · 6 speeds with heated head and 4 h battery
    Theragun Mini Plus
    2.8/10
    #28 · Travel-size with heat
    Theragun Sense
    2.6/10
    #29 · 12 mm amplitude with pressure feedback
    Hypervolt Go 3
    2.0/10
    #30 · 1.6 lb with 4 h battery
    Theragun Relief
    2.0/10
    #31 · Gentlest 10 mm amplitude at 1.37 lb
    Theragun Mini (3rd Gen)
    1.2/10
    #32 · Travel-size, 150 minutes
    Hypervolt Go 2
    1.2/10
    #33 · 1.5 lb travel gun
    Hypervolt 2 Pro
    1.1/10
    #34 · Brushless 90 W motor