AHD

TDS 1.10" Square Speaker High Bass w/Enclosure : High Bass 28mm, 1.10" Square x 0.52" H Special speaker for HO scale sound applications that provide...

Model: 1.10 Diameter: 1.2 in 30.5 mm Height: 0.31 & 0.51 inch 7.9 & 13 mm Application: Fits the AHD 1.1" speaker, comes with two height...

TDS 1.22" Diameter x 0.63" H. Round High Bass Speaker: Special speaker for HO scale sound applications that provides significantly more bass...

This enclosure fits the QSI 1.22" round speaker. MSRP is $11.95.

Square High Bass Speaker 1.57" Sq. x 0.57" H Special speaker for S & O scales sound applications that provide significantly more bass than their same...

AHD Large Oval Speaker 40 x 28 mm (1.57" x 1.10") 11 mm (0.43") H 8 ohm 1.0 W. This speaker is the #1 choice for HO steam tenders and some wide...

Model: Large Dimensions: 1.2 X 1.65 in 30.5 X 41.9 mm Height: 0.5 in 12.7 mm Application: Fits the TDS Large Oval speaker. MSRP is $11.95.

This  speaker is perfect for narrow HO tenders and some HO narrow diesels especially with dynamic brake fairings . HO and larger scales. 34.7 x 20 mm...

Fits the TDS Medium Oval speaker. Dimensions: .86in.  X 1.65 in. (21.9mm X 41.9mm) 0.4in. (10.16mm) high MSRP is $11.95.

TDS Small Oval Speaker 35 x 16 mm (1.38" x 0.63") 8 mm (0.32") H 8 ohm 1.0 W. Suitable for narrow hood, HO Diesels. MSRP is $9.95.