Yamaha ADP138 Speaker Mounting Accessory for STAGEPAS 300 and MSR100

Yamaha ADP138 Speaker Mounting Accessory for STAGEPAS 300 and MSR100

The Yamaha ADP138 is a precision speaker mounting adapter designed for use with Yamaha STAGEPAS 300 and MSR100 speaker systems. It allows secure attachment to standard 1-3/8 inch (35 mm) tripod stands, providing stable and elevated speaker positioning for optimal sound coverage in live or installed environments.

Built for strength and reliability, the ADP138 supports up to 70 pounds (31.8 kg) when paired with compatible Yamaha stands such as the SS138B. The adapter comes ready to install, as the required mounting screws are already pre-installed on compatible Yamaha speakers. Its rugged design ensures consistent performance even in demanding touring or event use.

Ideal for musicians, sound engineers, and rental applications, this mounting hardware offers a quick, professional solution for securely positioning portable PA speakers while maintaining excellent stability and alignment.

Key Features

• Universal stand fit: Compatible with 1-3/8 inch (35 mm) speaker stands and poles.
• Compatible models: Designed for Yamaha STAGEPAS 300 and MSR100 speakers.
• Durable construction: Engineered for long-term reliability in portable or fixed audio setups.
• High load capacity: Supports up to 70 lb (31.8 kg) when used with Yamaha SS138B stand.
• Ready to mount: Mounting hardware screws are pre-installed on compatible Yamaha speakers.

Technical Specifications

• Product Type: Speaker mounting adapter
• Stand Mount Size: 1-3/8 in (35 mm) pole socket
• Maximum Load Capacity: 70 lb (31.8 kg)
• Dimensions: 4.4 in x 7.8 in (11.2 cm x 19.8 cm)
• Weight: 0.65 lb (0.29 kg)
• Compatible Speakers: Yamaha STAGEPAS 300, MSR100
• Material: Metal construction
• Finish: Black