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...

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

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...

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...

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.

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...

TDS 0.63" Speaker: 0.63" diameter (16 mm) speaker, 8 Ohm MSRP is $12.95.

TDS .75" round Speaker: 20.00 mm (0.79") dia,  22.2 mm (0.87") with optional enclosure 3.4 mm (0.13") H,  6.9 mm (0.27") with 1/2 enclosure or 12.1...

TDS 1.10" speaker: 28 mm (1.10") diameter, 5.1 mm (0.2") H, 8 Ohm, 0.8 W MSRP is $9.95.

AHD (TDS) Supersonic Micro Speaker: Specifications:   0.8 Watts / 8 Ohms Dimensions:   16mm x 9mm x 3.4mm H The SuperSonics compare MUCH better than...