- Late 1990s History
- Late 1990s Home
- + Ci Series
- + Cresta
- + Q Series
- + Q Series Point Two
- + Reference Point Two
- + THX Home Theatre
- + Concerto
- Model 200C
- Model 20B
- Model 30B
- Model 55S
- Model 60S
- Model 65DS
- Model 80C
- + Monitor Series
- ^ Museum Home

TDM45B
Extending right down to 15Hz, the Model TDM45B is a powered subwoofer which convincingly outperforms all others in its class. Designed to produce serious levels of LF output and the ideal complement to the Reference Series range, it offers an affordable upgrade path to high end AV.
- Integral 300W RMS amplifier
- Low and high level inputs/outputs
- Continuously variable high pass/low pass filter (autotracking)
- High output capability
- THX® approved
- Versatile set-up options with broad compatibility
TDM45B Specifications
| Cabinet Design | closed box |
| Crossover frequencies | 50Hz - 150Hz, 80Hz (THX®) |
| Frequency Range +/ 3dB | 35Hz - 150Hz |
| Sensitivity - 2.83v @ 1m | active system |
| Maximum output - typical in room | 115dB |
| Amplifier requirements | 300W built in |
| Impedance | active system |
| Weight | 28kg (62lbs) |
| Dimensions (H x W x D) |
455 x 455 x 510mm 18.2 x 18.2 x 20.4in. |
| Finishes | black ash |
