The SoundTube SB335 is a powerful, compact 2-channel Class D amplifier designed for clear, reliable audio performance in commercial installations. Delivering 50 watts per channel, the SB335 provides efficient, low-heat amplification ideal for restaurants, retail spaces, offices, hospitality environments, and small venue audio systems.
With built-in Bluetooth, the SB335 allows users to stream audio wirelessly from mobile devices, making it an excellent choice for background music systems, presentation spaces, and flexible audio zones. The amplifier includes RCA and 3.5 mm inputs for wired sources as well, ensuring full compatibility with a wide range of devices.
Its compact form factor and included surface-mount hardware provide easy integration into AV racks, cabinets, podiums, or behind displays. The SB335’s clean, efficient Class D circuitry reduces energy consumption while maintaining high audio fidelity, making it a dependable everyday amplifier for commercial environments.
Key Features
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50 watts per channel Class D stereo amplifier
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Built-in Bluetooth for wireless audio streaming
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RCA and 3.5 mm analog inputs for flexible connectivity
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Compact, low-heat design ideal for commercial installations
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Surface-mount hardware included for easy installation
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LED indicators for power and Bluetooth status
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Energy-efficient Class D architecture
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Clean, reliable audio performance for background music and paging
SoundTube SB335 Ideal Applications
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Restaurants, cafés, and bars
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Fitness centers and studios
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Retail stores
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Classrooms and meeting spaces
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Hospitality and hotel common areas
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Small business audio zones
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Digital signage and kiosks
SoundTube SB335 – Specifications
General
Power & Performance
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Power Output (per channel): 50 watts
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Amplifier Type: Class D
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Frequency Response: Full-range audio (manufacturer standard)
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Bluetooth Version: Integrated wireless audio streaming
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Signal-to-Noise Ratio: High-performance low-noise design
Inputs & Outputs
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Audio Inputs:
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RCA stereo input
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3.5 mm stereo input
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Bluetooth wireless audio
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Audio Outputs:
Controls & Features
Power
Construction & Design
Included Accessories
Why Choose the SoundTube SB335?
The SB335 combines Bluetooth convenience, commercial-grade reliability, and compact Class D efficiency, making it one of the most versatile and installer-friendly amplifiers in its category. Whether you’re building a flexible music system or adding Bluetooth capability to an existing zone, the SB335 delivers excellent performance in a small footprint.
