1. Product Overview
The Yorkville EXM Mobile8 is a versatile 3-way battery-powered portable PA system designed for musicians, mobile DJs, and presenters. It features a built-in mixer with multiple input channels, Bluetooth streaming, and long-lasting battery performance.

Figure 1: Front view of the Yorkville EXM Mobile8 Portable PA System.
Key Features:
- 3-channel All-in-one PA System with Built-in Mixer: Easily connect various audio sources.
- Bluetooth Streaming: Seamlessly connect smartphones and tablets for wireless audio playback.
- Battery Power: Provides extended operation without the need for an external power source.
2. Setup
2.1 Unpacking and Initial Inspection
Carefully remove the EXM Mobile8 from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. Retain the packaging for future transport or storage.
2.2 Charging the Battery
Before initial use, fully charge the internal battery. Connect the provided AC power cable to the unit's power input and then to a standard electrical outlet. The battery status indicator will show charging progress.
2.3 Positioning the PA System
The EXM Mobile8 can be used in various orientations:
- Upright: For general sound reinforcement.
- Tilt-back: For use as a floor monitor.
- Pole-mounted: For elevated sound dispersion. The unit features a standard 35mm pole mount socket on its bottom panel.

Figure 2: Bottom view illustrating the pole mount socket for elevated setup.
3. Operating Instructions
3.1 Powering On/Off
Locate the Power switch on the rear panel of the unit. Flip the switch to the 'ON' position to power on the system. The power indicator LED will illuminate. To power off, flip the switch to the 'OFF' position.

Figure 3: Rear panel with input/output connections and controls.
3.2 Connecting Audio Sources
The EXM Mobile8 features three input channels:
- Channels 1 & 2 (Mic/Instrument): These channels accept XLR or 1/4" TRS inputs for microphones or instruments. Adjust individual volume and tone controls for each channel.
- Channel 3 (Mic/Line): This channel supports XLR or 1/4" TRS inputs. It also includes an Aux In (3.5mm) and Bluetooth connectivity for line-level devices.
3.3 Bluetooth Pairing
- Ensure the EXM Mobile8 is powered on.
- Activate Bluetooth on your audio device (smartphone, tablet, etc.).
- Press and hold the 'Pair' button on Channel 3 of the EXM Mobile8 until the Bluetooth indicator LED flashes.
- Select 'EXM Mobile8' from your device's Bluetooth menu. The LED will turn solid blue when connected.
3.4 Adjusting Sound
Each channel has dedicated volume and tone controls. The Master volume knob controls the overall output level of the system. Experiment with these controls to achieve your desired sound balance.
4. Maintenance
To ensure the longevity and optimal performance of your EXM Mobile8, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Avoid abrasive cleaners or solvents.
- Storage: Store the PA system in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, ensure the battery is partially charged (around 50%) and recharge it every few months to prevent deep discharge.
- Battery Care: Avoid completely draining the battery frequently. Recharge promptly after use.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery drained; Power switch off; AC cable disconnected. | Charge battery; Turn power switch on; Check AC cable connection. |
| No sound output | Volume knobs too low; Input device not connected; Incorrect input selection. | Increase volume; Check input cables; Ensure correct channel is selected. |
| Bluetooth not connecting | Not in pairing mode; Device too far; Interference. | Activate pairing mode; Move device closer; Reduce interference sources. |
| Distorted sound | Input signal too high; Volume too high. | Reduce input gain or source volume; Lower master volume. |
6. Specifications
- Brand: Yorkville
- Model Name: EXMMOBILE8
- Speaker Type: Woofer
- Special Feature: Portable
- Connectivity Technology: Bluetooth, Coaxial
- Speaker Maximum Output Power: 200 Watts
- Power Source: Battery Powered
- Battery Capacity: 5500 Milliamp Hours
- Charging Time: 5 Hours
- Woofer Diameter: 8 Inches
- Tweeter Diameter: 1 Inches
- Item Weight: 17 Pounds
- Product Dimensions: 17.9 x 13.7 x 12.5 inches
- Material: Stainless Steel
- Is Waterproof: FALSE
- Control Method: Touch
- Number of Items: 1
- Surround Sound Channel Configuration: 3.0
- Audio Output Mode: Stereo
- Mounting Type: Coaxial, Freestanding
7. Warranty and Support
7.1 Warranty Information
The Yorkville EXM Mobile8 comes with a Limited Warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions.
7.2 Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Yorkville customer support:
- Website: www.yorkville.com
- Email: support@yorkville.com
- Phone: Refer to your regional contact information on the official website.





