The Wireless Instrument Transmitter (¼″) is an accessory for the Bose S1 Pro+ Portable Speaker System that enables instruments such as guitars, keyboards, and other line-level ¼″ devices to connect wirelessly.
By plugging the transmitter directly into the instrument’s output jack, it pairs instantly with the integrated wireless receiver inside the S1 Pro+, eliminating the need for cables and allowing total freedom of movement during performances.
- ¼″ wireless transmitter for use with the Bose S1 Pro+
- Converts guitars, keyboards, and other line-level instruments into wireless sources
- Pairs seamlessly with the S1 Pro+ built-in wireless receiver
- Rechargeable lithium-ion battery (up to 4 hours of play time)
- Charges directly in the S1 Pro+ wireless input bay or via USB-C
- Plug-and-play operation – no complex setup
Specifications
- Connector: ¼″ TS male
- Frequency Band: 2.4 GHz (license-free ISM band)
- Wireless Range: Up to 30 m (100 ft) line-of-sight
- Power Supply: Rechargeable lithium-ion battery
- Battery Life: ≈ 4 hours per charge
- Charging Options:
• Docking into S1 Pro+ input bay
• USB-C external charging - Dimensions (H × W × D): 10.7 × 2.6 × 2.6 cm (4.2″ × 1.0″ × 1.0″)
- Net Weight: ≈ 80 g (0.18 lb)
- Color: Black


















