SoundTube SB335 3-Channel 35W Class D Stereo Amplifier with Bluetooth

SKU: SOSB335 MFR: SB335
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Key Features

  • Experience superior audio with this SoundTube 3-channel stereo amplifier.
  • Enjoy versatile connectivity with Bluetooth, optical, & analog inputs on this amp.
  • This reliable Class D amplifier delivers 35W RMS for clear, powerful sound.
  • Optimize sound with switchable HP filter & EQ, perfect for custom installations.
  • Compact design (3.9 x 7.25") makes this amplifier ideal for tight spaces.
  • Control your sound system easily with IR remote or RS232 on this amplifier.
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Special Order?Estimated to Ship: 08/15/2025
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SoundTube SB335 Specifications

  • Amplifier Power

    2 Channel- 50 watts RMS/CH >1% THD at 8 Ohms, 55 watts RMS at 4 Ohms
    3 Channel- 35 watts RMS/CH >1% THD at 8 Ohms, 40 watts RMS at 4 Ohms

  • HP Filter

    Switchable

  • Overall Response

    10Hz - 20 kHz +0/-.5dB at 1 watt RMS 8 Ohms >.1% THD

  • Crossover Frequency

    High Pass/Low Pass 120Hz at 12dB/octave

  • Gain

    34dB (8 Ohms)

  • Frequency EQ

    +3dB Switchable at 120Hz, 2kHz, 8 kHz

  • Inputs

    10K Unbalanced line input stereo analog, Optical digital 2/3 channel, RS232 control, Blue Tooth, External IR

  • Maximum Input Sensitivity

    400 mV for full output

  • THD+ Noise

    >.1% below rated output powers

  • S/N

    Better than 84dB unweighted

  • Input Impedance

    10K unbalanced

  • Protection Functions

    Amplifier-Soft Clipping, Short Circuit/Overload, Thermal overload protection. Power Supply- Thermal protection, Over current protection, Shout circuit protection

  • Front Panel Indicators

    Power/Standby/Mode/Status

  • Learning Remote Controllable

    On/Off, Volume Up/Down, Mute - IR/RS-232

  • Regulatory - UL

    UL 60065 Listed

  • ETL-C/US

    Approved

  • CCC

    Approved

  • FCC

    Approved

  • Regulatory - CE

    Approved

  • RoHS

    Approved

  • Dimensions (HxWxD)

    1.25 x 3.9 x 7.25" (3.18 x 9.91 x 18.42cm)

  • Weight

    0.93 lbs (0.42kg)

  • UPC Code

    748252171863

About SoundTube SB335

The SB335 is a versatile, small, class D amplifier engineered for use in localized audio applications. Designed for use with SoundTube speakers, other high-fidelity speakers and passive soundbars, the SB335 provides 50 watts per channel into 8 ohms (2 channel operation) or 35 watts per channel into 8 ohms (3 channel operation). Digital and analog inputs are provided, enabling direct connection from most TVs or monitors. Bluetooth streaming functionality is also featured as a signal option. In addition to the speaker outputs, the SB335 includes a line level subwoofer output. Dolby Digital decoding is also provided. The SB335 may be controlled via RS232 and will learn IR codes for volume control.

Applications
The SB335 is ideal for digital signage, allowing localized amplification of speakers associated with a digital signage display. It is also useful for educational video carts and videoconferencing roll about carts. The unit's three channel capability and full-range frequency response makes it ideal for powering passive high-quality soundbars such as the Teatro TSB3.0 from SoundTube's sister company Phase Technology.

SoundTube SB335 Features

  • 35 Watts per channel at 8 Ohms (3 channels)
  • 50 Watts per channel at 8 Ohms (2 channels)
  • IR learning for volume control via TV remote
  • Bluetooth connectivity
  • Dolby Digital decoding

Warranty Information

This product has a limited warranty of 36 months.

Key Features

  • Experience superior audio with this SoundTube 3-channel stereo amplifier.
  • Enjoy versatile connectivity with Bluetooth, optical, & analog inputs on this amp.
  • This reliable Class D amplifier delivers 35W RMS for clear, powerful sound.
  • Optimize sound with switchable HP filter & EQ, perfect for custom installations.
  • Compact design (3.9 x 7.25") makes this amplifier ideal for tight spaces.
  • Control your sound system easily with IR remote or RS232 on this amplifier.

What's in the box:

  • SoundTube SB335 3-Channel 35W Class D Stereo Amplifier
  • Bluetooth Antenna
  • IR Receiver with 1m Cord
  • 32V 3.75A Power Supply
  • Six-Pin Euroblock Connectors
  • Three-Pin Euroblock Connectors
  • Mounting Bracket
  • 2x 2 " Hook and Loop Fastener Strips
  • Double Sided Tape Disk for IR receiver
  • SoundTube 3 Year Limited Warranty