The SoundTube CM600i is a premium 6.5” two-way blind-mount in-ceiling speaker engineered to deliver high-performance audio with excellent low-end response and broad coverage. Featuring a polypropylene woofer and 1” aluminum tweeter with FerroFluid cooling, the CM600i ensures clear, consistent sound across the operating bandwidth (2–10 kHz, independently verified).

Its BroadBeam® waveguide technology provides maximum intelligibility and uniform edge-to-edge coverage, while the six-position tap switch with transformer bypass allows seamless integration into 25V, 70.7V, or 100V distributed audio systems. The CM600i is ideal for commercial, educational, hospitality, and public spaces where both sound quality and easy installation are paramount.

SoundTube CM600i Key Features

  • 6.5” polypropylene woofer and 1” convex aluminum tweeter with FerroFluid cooling

  • Patented BroadBeam® waveguide for consistent dispersion and clarity

  • Six-position tap switch with transformer bypass for 25/70.7/100V systems

  • Shallow blind-mount fixed-wing installation for ceilings 0.25”–1.91” (6.4–48.5 mm) thick

  • Tool-free magnetic grille with safety cable for easy installation and in-field painting

  • Steel powder-coated grille for durability

  • Average sensitivity: 88 dB for high output with reduced amplification costs

  • UL1480A and UL2043 approved

  • High-quality black or white paint finish; custom colors optional

  • Included accessories: tile bridge, Euroblock connector, paint mask, conduit plate

  • Optional accessories: pre-construction bracket (AC-CM8-PCB), junction box (AC-CMi-JBOX), flangeless grille (GRL-6/8-FLG-BK/WH)

Applications

  • Airports

  • Boardrooms and conference rooms

  • Classrooms and educational facilities

  • Hotels and restaurants

  • Retail stores and public spaces

  • Hospitals and healthcare facilities

The CM600i combines high-efficiency audio, broad coverage, and ease of installation, making it the perfect solution for commercial and public in-ceiling audio applications.

SoundTube CM600i Specifications

Enclosure Properties ABS, Aluminum, Ported
Included Accessories Conduit Plate, Euroblock, Grille, Paint Mask, Tile Bridge
Optional Accessories Black Metal Grille (GRL-CM6/8-BK)|Black Weather-Guard Grille (GRL-CM6/8-WG-BK)|Black Flangeless Grill (GRL-CM6/8-FLG-BK)|Tile Bridge (AC-CM8-TB)|Pre-Construction Bracket (AC-CM8-PCB)|Junction Box (AC-CM-JBOX)
Source Inputs 4 Pin 5.08mm Euroblock
Backcan Diameter 11.68 in / 296.7 mm
Backcan Height 7.94 in / 201.7 mm
Coverage Angle (-6dB @ 2kHz) 100°
Crossover Frequency 3.0 kHz
Cutout Width/Diameter 12.75 in / 323.9 mm
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) 4 and 5.4
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) 5.6 dB and 7.3 dB
Frequency Response (± 10 dB) 52 Hz - 22 kHz
Frequency Response (± 3 dB) 69 Hz - 22 kHz
Grille Properties Standard-Flange, Magnetic, Powder-Coated, White, Paintable, Steel
Low Frequency Voice Coil 1 in / 25.4 mm
Low Pass Crossover 12 dB per octave 2nd order
Magnetically Boosted No
Max. Ceiling Thickness 1.91 in / 48.5 mm
Max. Continuous Power RMS 90W
Max. Program Power 180 W
Minimum Impedance (Ω Ohms) 5.3 Ω
Minimum Ceiling Thickness 0.25 in / 6.4 mm
Network Type: High Pass 12 dB per octave 2nd order
Nominal Impedance (Ω Ohms) 8 Ω
Tweeter Driver 1" BroadBeam®
Woofer Driver 6.5" Polypropylene
Sensitivity dB @ 1W/1M 88 dB
Sensitivity dB @ 2.83V/1M 88 dB
Tap Selector Rotary Switch
Transformer Options 25 / 70.7 / 100 V, 8 Ohm direct
Transformer Taps (25V/70.0V/100V) 5W/33W/33W
Visible Diameter 14.76 in / 374.9 mm
Visible Height 1.08 in / 27.4 mm
List price: $507.00
Price: $507.00