Glide past
the grind.
- Starting at $6,395
- Fits drivers 4'7" to 6'2"
S1 Mach 1
Track Attack Stance
Peak Horsepower
38 HP
26 kW peak on the S1
Power Output
26 kW
High performance motor
Battery Architecture
72V
Top tier 5C battery power
Maximum Track Speed
80+ MPH
Configurable power modes
SELECT YOUR VEHICLE PLATFORM
Subsonic S1 Mach 1
26kW / 38 HP Electric Performance Kart
The Subsonic s1 mach 1 is beyond extreme power performance, it’s literally a rocket under your ass.
Starting price
$6395
72v 45ah
$6395.00
72v 65ah
$7295.00
$6395
Subsonic Boom (coming real soon)
The Subsonic Boom is a hard-wired, hyper-compressed surge rig engineered for pilots hunting raw, unfiltered twitch-response, a skeleton-weight chassis, and throat-ripping corner-exit acceleration up to 9KW. Larger battery option: 73V 58Ah for $5,995.
Power
15HP
Speed
60+ MPH
Platform
69V 32ah
$4995
Subsonic Zoom ( upcoming)
Accessible Electric Performance Kart
Power
7HP
Speed
50+ MPH
Platform
72v 30ah
$3495
SUBSONIC S1 MACH 1
Engineered without compromise. Every weld of the chromoly frame, every link of the double-wishbone suspension, and every amp flowing through the controller is tuned for track superiority.
Configuration Highlight
QS Motor Liquid-Cooled Synchronous Motor
26 kW / 38 HP
High performance motor
Permanent magnet synchronous architecture with an active liquid cooling loop and integrated rear mounted radiator to prevent thermal derating under competition load.
450A Sine Wave
450A Controller
Programmable current profiles, progressive launch throttle maps, and regenerative braking deceleration tailored for precise corner-entry balance.
300A Jikong BMS
Top tier 5C battery power
Offered in 45Ah ($6,395) and 65Ah ($7,295) variants with Bluetooth telemetry to monitor individual cell voltages and pack temperatures in real time.
Configuration Highlight
Aircraft-Grade 4-Corner Double-Wishbone Geometry
Front & Rear
Double-Wishbone Suspension
Front and rear aerospace-grade aluminum double-wishbone independent suspension paired with internal coilover shocks maintains consistent tire contact patches under extreme lateral g-forces.
Torsional Rigidity
Chromoly Spaceframe
High-strength chromoly steel tubular frame chassis built to withstand the punishing stresses of competitive racing without unwanted flex.
Downforce
Aerodynamic Rear Wing
Functional rear aero foil provides stabilizing aerodynamic downforce over the drive axle at high track speeds (up to 80+ MPH).
Configuration Highlight
Adjustable Slider Cockpit Fitting Drivers 4'7" to 6'2"
4'7" – 6'2" Range
Universal Driver Fit
Sliding high-back ergonomic racing bucket seat and adjustable pedal positioning allow youths, teens, and tall adults to share the same kart comfortably.
Harness & Roll Bar
Overhead Removable roll hoop bar
On/Off power Safety push button on dash with key ignition.
Live Telemetry
Digital Intelligence Display
Cockpit telemetry readout displaying real-time speed, battery voltage, active power mode, motor temperature, and trip telemetry.
Compare the power setting choices with experiences
Throttle Mapping Behavior
Operational Safety Envelope
Adjustable directly via the included tuning cable and onboard cockpit toggle.
S1 MACH 1 SPECS
Standard Configuration
72V 45Ah
3.24 kWh Total Energy
- Estimated Full-Throttle Track Runtime:
- ~29 minsChanges when you move the weight bar
- Peak Discharge Output:
- 38 HP (26 kW)
- Battery Chemistry:
- Top Tier 5C Battery Power
- BMS Rating:
- 300A Jikong Smart BMS
- Total Kart Weight:
- 235 lbs (Lightweight)
Ideal for club sprint racing, shorter heat formats, and maximum agility due to reduced pack weight.
Max Endurance Pack
72V 65Ah
4.68 kWh Total Energy (+45% Capacity)
- Estimated Full-Throttle Track Runtime:
- ~48 minsChanges when you move the weight bar
- Peak Discharge Output:
- 38 HP (26 kW)
- Battery Chemistry:
- Top Tier 5C Battery Power
- BMS Rating:
- 300A Jikong Smart BMS
- Total Kart Weight:
- 255 lbs
Engineered for extended endurance track days, multiple back-to-back driving sessions, and longer range without mid-day recharging.
THIS IS WHERE PRECISION MEETS POWER
Electric Powertrain
The Champion of E-Motors: QS Motor
Instant Torque Density
The Subsonic S1 Mach 1 doesn’t just perform, it dominates with the power and reliability of the legendary QS motor. Engineered for high-performance electric racing, it delivers exceptional torque density, advanced thermal capacity, and proven durability under demanding conditions.
Factory Spec
26 kW / 38 HP
Speed Controller
The Unstoppable Beast: ND controller
‘450 amps of pure, unfiltered attitude. The controller turns your right foot into a detonator, delivering immediate, face-melting torque the millisecond you touch the pedal. It doesn’t just manage power– it ruthlessly commands it.’
Factory Spec
450 Amps
Energy Architecture
The Battery is the Unrestricted Power Grid
Engineered complete high-performance energy system built with high-current 5C cells. Controlled by a powerful 300-amp Jikong Battery Management System (BMS) to deliver explosive performance and sustained power delivery lap after lap.
Factory Spec
72V 45Ah / 65Ah
Chassis Dynamics
S1 Mach 1 Signature Double-Wishbone Handling
Features a front and rear aluminum double-wishbone independent suspension system designed for high-performance racing. Paired with precision internal shocks, it maintains consistent tire contact with the pavement under extreme lateral forces.
Factory Spec
Over 1.6G Lateral
Drivetrain
Super Heavy Duty High-Torque Rear Axle
Engineered to withstand the massive instant torque generated by the high performance motor. Constructed from a 40mm × 5mm (1.57″ × 0.2″) aerospace-grade chromoly steel core, specially heat-treated to handle intense power delivery without compromising performance.
Factory Spec
40mm × 5mm
Hydraulic Braking
Drift Your Way To The Finish Line
Four precision-machined aluminum calipers paired with front and rear high-pressure braided brake lines. The system delivers consistent braking performance whether you are attacking corners, controlling high-speed slides, or pushing lap limits.
Factory Spec
14,500 PSI Rated
Safety Engineering
Strong Chromoly Racing Chassis & Safety
High-strength chromoly steel frame chassis engineered to handle extreme cornering forces. Equipped with integrated roll bar, professional seat belt system, and advanced Memory Plastic Bodywork designed to absorb 10G+ impacts while returning to its original shape.
Factory Spec
10G+ Force
Driver Ergonomics
Modular Cockpit & Quick-Release Seat
Fully adjustable modular cockpit system allows drivers of different ages and sizes to find their ideal racing position in seconds. Features a sliding seat, manual quick-release lever-lock mechanism, and programmable controller power limits for beginners.
Factory Spec
4'7" to 6'2" Range
Ready to Order the S1 Mach 1 Complete Package?
Includes kart, battery pack, fast charger, tuning cable, and tool kit.
FREQUENTLY ASKED QUESTIONS
What is the Subsonic S1 Mach 1?
What is the difference between the 72V 45Ah and 72V 65Ah configurations?
How fast does the S1 Mach 1 go, and can I adjust the speed?
How is the kart shipped and delivered?
What assembly is required upon delivery?
Can I purchase directly online, and what payment methods are accepted?
How can I contact Subsonic for support or technical questions?
Have a Specific Track or Technical Question?
Contact CEO Ryan Treacy and the Subsonic engineering team directly.
READY TO EXPERIENCE ELECTRIC MOTORSPORT?
- Direct Factory Engineering Support
- 24-Hour Inquiry Response
- subsonicracingevsupport@gmail.com
