SoundTube SquareRoot 6.5 Series Outdoor Square Planter Speaker System

The SquareRoot 6.5 combines a functional 20" square planter with a high-fidelity 2-way speaker. Molded from UV-stable polyethylene with drainage holes, it houses a 6.5" coaxial polypropylene woofer and 0.75" dome tweeter for clear, powerful audio in any outdoor setting.

Available in six configurations—ranging from basic mono tap-selector models to SweetSpot stereo imaging and transformer-equipped variants—each unit delivers IP65-rated durability and flexible installation options.

Key Features

• Enclosure: 20" square, UV-stable polyethylene with drainage
• Drivers: 6.5" coaxial woofer; 0.75" dome tweeter
• Input Options: Wire-lead tap selector for mono models; dual inputs for SweetSpot models
• Stereo Imaging: SweetSpot™ models provide single-point stereo via dual-VC drivers and dual tweeters
• Transformer Options: 64 W multi-tap for 25/70.7/100 V (included on “with Transformer” variants; optional accessory for others)
• IP Rating: IP65 for outdoor reliability
• Certifications: CE, RoHS, IP65

Technical Specifications

• Height: 17 in (431.8 mm)
• Width: 17 in (431.8 mm)
• Frequency Response (±10 dB): 65 Hz – 20 kHz
• Frequency Response (±3 dB): 76 Hz – 19.5 kHz
• Power Handling: 70 W RMS; 140 W Program
• Impedance: 4 Ω nominal
• Sensitivity: 89 dB @ 1 W/1 m; 92 dB @ 2.83 V/1 m