Bogen S4TB High-Performance Foreground Loudspeaker, Black
- High sensitivity and exceptional power handling
- 70V & 8 ohms
- 75W at 8 ohms
- 70V Power settings: 16, 8, 4, 2, 1 watts
- Hemispherical mounting system makes it simple to mount, aim, and lock-in position of loudspeaker

The S4TB from Bogen is a 4.5" high-performance 2-Way Passive Loudspeaker (Black) provides detailed audio from a compact and robust design. The speaker features a 4.5" metal alloy MDT cone woofer that utilizes patented NEAR MLS ferrofluid suspension to keep the voice coil centered for reduced distortion. The 1" titanium tweeter with ferrofluid damping provides crisp, soaring treble. Polymer compound cone surrounds resist UV rays, chemicals, and salt spray for excellent longevity. The speaker has a 75W power handling capability at 8 ohms to provide a strong performance. It also has a 16W transformer with multiple power taps for use with 70V systems. This provides wide compatibility with a variety of sound systems. The injection-molded UV-protected ABS cabinet provides lasting good looks and durability with low resonance for excellent clarity. The cabinet features a powder-coated aluminum grille and mounting bracket for long-term use. The bracket uses hemispherical swivel mounting to make it easy to install, aim, and lock in the position of the speaker.
Features
- High sensitivity: Exceptional power handling ensures clear audio performance across various environments.
- 70V & 8 ohms: Versatile compatibility with a range of sound systems for adaptable usage.
- 75W at 8 ohms: Provides robust audio performance ideal for both indoor and outdoor settings.
- 70V Power settings: 16, 8, 4, 2, 1 watts allow for tailored audio output depending on installation needs.
- Easy installation: Hemispherical mounting system simplifies the mounting, aiming, and locking of the loudspeaker.
- Stable sound quality: 4-1/2” metal-alloy MDT mid/bass cone maintains stability in diverse conditions.
- Reduced distortion: MLS Ferrofluid voice coil centering enhances clarity by eliminating distortion from mechanical spiders.
- High frequency clarity: 1” titanium high frequency driver provides articulate sound and long-term consistency.
- Wide coverage: Ensures even sound distribution over a broad listening area.
- Exceptional durability: High-density, injection-molded cabinet delivers a refined finish and long-lasting performance.
- Low-resonance structure: Optimized cabinet design minimizes unwanted resonance for improved audio quality.
- Balanced tuning: Precisely designed low-frequency tuning ensures optimal sound balance.
- Weather resistant: Advanced polymer surrounds protect against UV rays, chemicals, and salt spray for longevity.
- Quick installation: Pressure clamping input terminals allow for swift and secure connections.
Bogen S4TB Loudspeaker Specifications
Speaker Type | 4.5" 2-Way Passive Loudspeaker |
Power Handling | 75W at 8 ohms |
Transformer Power | 16W with multiple tap settings (16, 8, 4, 2, 1 watts) |
Woofer Size | 4.5" Metal Alloy MDT Cone |
Tweeter Size | 1" Titanium |
Cabinet Material | Injection-molded UV-protected ABS |
Grille Material | Powder-coated Aluminum |
Dimensions (H x W x D) | Compact design for versatile placement |
Weight | Lightweight for easy installation |