Stroke
25–152 mm Mechanical Stroke
675.00$
Core Highlights.
Power
4 N·m Output Torque
Control
Wired Variable-Speed Dial
Positioning
Open H-Frame
Base
Approx. 12.8 kg Chassis
Drive
Dual-Bearing Linear Rail
PRO4 supports a 25–152 mm mechanically adjustable stroke. Its crank adjustment system provides a broad working range without app controls or electronic variable stroke.
A 24 V DC / 60 W motor delivers 4 N·m of torque, providing steady mechanical drive as speed, stroke and accessory weight change.
The wired hand controller gives you direct start, pause and continuous speed adjustment, without an app, Bluetooth or complex menus.
The open frame and adjustable legs make it easier to set the machine at different heights and angles while maintaining stable support.
The H-frame base and solid-steel legs help reduce movement under higher loads. Foot pads and quick-release leg clamps keep setup and adjustment straightforward.
A dual-bearing linear rail guides the push rod through each cycle, helping reduce lateral movement and keep the mechanical action smooth and consistent.
Included as Standard
What’s in the Box
PRO4 main unit with solid-steel support legs
× 1
Custom nylon carry bag with foam insert
× 1
China / UK power cables
× 1
Vac-U-Lock adapter
× 1
360° anti-rotation quick-connect system
× 1
510 mm push rod
× 1
203 mm hypoallergenic silicone toy
× 1
Safety stop disc
× 1
Assembly and maintenance tool kit
× 1
US / EU plug adapters
× 1
Wired variable-speed controller
× 1
English-language user manual
× 1Technical Specifications
Control and Stroke
- Stroke Depth
- 25–152 mm mechanically adjustable stroke
- Control Method
- Wired hand controller
- Control Functions
- Start / pause + continuous speed adjustment
- Remote Interaction
- Not supported
- App Control
- Not supported
- Preset Modes
- No preset modes
Power and Speed
- Operating Speed
- 0–220 RPM
- Output Torque
- 4 N·m
- Motor
- 24 V DC / 60 W
- Safety Protection
- Overload protection and LED warning
Design and Connection System
- Body Design
- Open H-frame design
- Connection System
- 360° anti-rotation quick connect with Vac-U-Lock interface
- Support Structure
- Adjustable legs with quick-release leg clamps
Dimensions and Weight
- Main Unit Dimensions
- 520 × 180 × 110 mm
- Support Frame Dimensions
- 475 × 320 × 450 mm
- Net Weight
- Approx. 12.8 kg
Power Requirements
- Power Supply
- Plug-in operation
- Input Voltage
- AC 110–240 V 50/60 Hz
- Device Voltage
- 24 V DC
Find the right F-Machine
From real-time variable stroke to direct mechanical control and lightweight handling, each model is built around a distinct experience.
ALPHA
PRO4
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GIGOLO BT-R
Product Positioning
Smart Flagship
Professional Direct Drive
Lightweight Choice
Signature Experience
Real-Time Variable Stroke
Direct Mechanical Control
Lightweight Handling
Motor
24 V DC / 60 W motor
24 V DC / 60 W motor
24 V DC / 40 W motor
Output Torque
4 N·m
4 N·m
2 N·m
Operating Speed
0–approx. 220 RPM
0–approx. 220 RPM
0–approx. 220 RPM
Stroke Adjustment
25–133 mm, electronically variable stroke
25–152 mm mechanical quick-adjust stroke
25–102 mm mechanical quick-adjust stroke
Remote Interaction
Supported
Not supported
Supported
Control Method
App / wireless remote
Wired variable-speed dial
App / wireless remote
Preset Modes
No preset modes
No preset modes
No preset modes
Universal Interface
Vac-U-Lock interface
Vac-U-Lock interface
Vac-U-Lock interface
Body Design
Fully enclosed streamlined body
Open H-frame design
Fully enclosed body with viewing window
Support Structure
Multi-position steel support legs
Solid-steel stability legs
Single-arm quick-adjust structure
Net Weight
Approx. 11 kg
Approx. 12.8 kg
Approx. 6.5 kg
Product Dimensions
Frame: 525 × 290 × 450 mm
Main unit: 510 × 105 × 255 mm
Frame: 475 × 320 × 450 mm
Main unit: 520 × 180 × 110 mm
Frame: 525 × 290 × 450 mm
Main unit: 390 × 70 × 145 mm
Power Supply
Plug-in operation
Plug-in operation
Plug-in operation
Frequently Asked Questions.
What sets PRO4 apart from conventional sex machines?
PRO4 is a mechanical direct-drive machine. Its open mechanical structure, wired controller and high-torque motor deliver a long stroke, direct adjustment and stable output.
Does PRO4 support app or remote control?
No. PRO4 uses a wired hand controller for start, pause and continuous speed adjustment. It does not rely on a phone, Bluetooth or an internet connection.
Does PRO4 include preset modes?
No. Speed is adjusted directly through the wired variable-speed dial rather than a preset programme.
Can the PRO4 stroke be adjusted?
Yes. PRO4 supports a 25–152 mm mechanically adjustable stroke. Stroke is set through the mechanical adjustment system, not through an app or real-time electronic variable stroke.
Who is PRO4 designed for?
PRO4 is designed for adults who value mechanical direct drive, a long stroke, high torque and straightforward control. It is a strong fit when app control and remote interaction are not priorities.
How loud is PRO4?
PRO4 produces normal motor and transmission sound during operation; it is not silent. Sound varies with speed, stroke, load, accessory weight, installation angle and support. Stop operation and check the setup if you notice unusual resistance, noise or vibration.
Can PRO4 use other toys?
Yes. PRO4 supports a 360° anti-rotation quick connect and a Vac-U-Lock interface for compatible toys. Toys with suction-cup bases can also be used with the USB Dong Adapter. Confirm size, material, weight and stability before use.
Is PRO4 rechargeable or mains powered?
PRO4 is mains powered. It uses a dedicated power adapter and must be connected to power before operation.
Which PRO4 configuration should I choose first?
For a first purchase, start with the standard configuration. It includes the main unit, wired controller, push rod, standard interfaces, 203 mm hypoallergenic silicone toy, tool kit and carry bag. Add the USB Dong Adapter for suction-cup toys, the FlexiFuk Flexible Adapter for improved angle alignment, the Ground Anchor for higher-load use, or the Double Trouble dual mount for a two-accessory setup.
Can ALPHA, PRO4 and GIGOLO share accessories?
Yes. All three machines use the same connection system. Accessories including the USB Dong Adapter, FlexiFuk Flexible Adapter, Double Trouble dual mount and Ground Anchor can be used across all three, depending on your setup.
Can I return the product after it has been opened or used?
For hygiene reasons, PRO4 is classified as an intimate-use product. Unless there is a quality issue, opened or used items cannot be returned or exchanged. Please confirm the model, packaging, included items and exterior condition before opening.
How long is the warranty?
Officially authorised F-Machine devices include a 12-month limited warranty. Damage caused by misuse, unauthorised disassembly, abnormal use or incompatible accessories is not covered.