Introduction
The Line 6 Relay G10TII is a digital wireless guitar transmitter designed to provide freedom of movement for musicians. It is compatible with Relay-ready Line 6 Spider V/V MkII and Yamaha THR-II Wireless amplifiers, as well as Relay G10 and G10S receivers. This transmitter offers automatic charging and pairing, ensuring a seamless wireless experience for your instrument.
Setup
Charging the Transmitter
The Relay G10TII transmitter features an internal rechargeable Lithium Ion battery. To charge the transmitter, simply plug it into the 1/4" input jack of a compatible Line 6 Spider V/V MkII or Yamaha THR-II Wireless amplifier, or a Relay G10/G10S receiver. The transmitter will automatically begin charging. A full charge provides up to seven hours of playing time and up to 170 hours of standby time.

Figure 1: Line 6 Relay G10TII Digital Wireless Guitar Transmitter. This image shows the compact design of the transmitter with its 1/4-inch jack.
Pairing with a Compatible Amplifier/Receiver
The Relay G10TII is designed for plug-and-play operation. When inserted into a compatible amplifier or receiver, it automatically pairs and selects the optimal wireless channel. No manual setup or channel selection is required.
- Ensure your compatible amplifier (e.g., Line 6 Spider V/V MkII, Yamaha THR-II Wireless) or Relay G10/G10S receiver is powered on.
- Insert the Relay G10TII transmitter firmly into the designated 1/4" input jack on your amplifier or receiver.
- Allow a few seconds for the transmitter and receiver to establish a connection. The status indicator on the transmitter will change to solid green once paired.

Figure 2: Line 6 Relay G10TII transmitter docked in a compatible Line 6 storage slot. This image illustrates how the transmitter fits into a dedicated slot on a compatible device, which also serves as a charging port.
Operating Instructions
Connecting to Your Instrument
Once the Relay G10TII transmitter is charged and paired with your amplifier/receiver:
- Remove the transmitter from the amplifier/receiver's input jack.
- Insert the 1/4" jack of the Relay G10TII transmitter into the instrument output jack of your guitar or bass.
- The transmitter is now active and ready to transmit your instrument's signal wirelessly to the paired amplifier/receiver.
The Relay G10TII is compatible with both active and passive pickups, providing versatility for various instruments.

Figure 3: Line 6 Relay G10TII transmitter showing the Line 6 logo and green status light. The green light indicates the transmitter is powered on and ready for use.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the transmitter. Avoid using abrasive cleaners or solvents.
- Storage: When not in use, store the transmitter in a cool, dry place, preferably in its original packaging or a protective case.
- Battery Care: To prolong battery life, avoid fully discharging the transmitter frequently. Charge it regularly, even if not used for extended periods.
- Connector Care: Keep the 1/4" connector clean and free of debris to ensure optimal signal transfer.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio output. | Transmitter not paired or out of range. Battery is low or depleted. Instrument volume is off. | Ensure transmitter is properly paired with the receiver/amp. Charge the transmitter. Check instrument's volume and cable connections. |
| Intermittent signal or dropouts. | Interference from other wireless devices. Obstructions between transmitter and receiver. Low battery. | Move away from other wireless devices. Reduce distance between transmitter and receiver. Ensure clear line of sight. Charge the transmitter. |
| Transmitter not charging. | Improper connection. Faulty charging port on amp/receiver. | Ensure transmitter is fully inserted into the charging port. Try a different compatible charging device if available. |
Specifications
- Model: Digital Wireless Guitar Transmitter (Relay G10TII)
- Brand: Line 6
- Connector Type: 1/4" TS (Tip-sleeve)
- Contact Material: Copper
- Operating Time: Up to 7 hours (playing), up to 170 hours (standby)
- Battery Type: Lithium Ion (included)
- Compatibility: Line 6 Spider V/V MkII 60, 120, 240, 240HC amps; Relay G10, G10S, POD Go Wireless; Yamaha THR-II Wireless Amps
- Item Weight: 7 ounces
- Product Dimensions: 8.03 x 4.8 x 2.28 inches
- Compliance: FCC
- UPC: 614252325868
Warranty & Support
For detailed warranty information and technical support, please refer to the official Line 6 website or contact their customer service. Keep your proof of purchase for warranty claims.
Online Resources: www.line6.com



