New to the range of High-Performance Dynamic Speakers for DCC Sound locomotives is the “Twister Twin Short” by DCC Solutions.One of their best-selling speakers the “Grande” has been around since 2013 and it now finally gets a twin joined at the hip plus comes in a deeper speaker enclosure.The DCCS – "TWISTER TWIN SHORT" consists of two Grande speakers installed in a side-by-side short format single enclosure.The height of the enclosure has been increased to 9mm to create a larger sound chamber to increase the volume and bass output levels.The orientation of the speakers is that they are joined on the longer side creating a shorter but wider sized speaker enabling it to be installed in locomotives where this type of space is available.The grandeur of dynamic speakers, the DCCS – “GRANDE” produces incredibly big sound across a large frequency range when fitted inside our precision engineered enclosure while outputting an impressive sound by providing a whooping 82cubic mm Air Pumping Capacity per speaker. The more air a speaker can move, the louder the speaker can get; In a nutshell.Now with a 162% increase in the sound chamber size compared to the original “Grande” speaker, the “Twister Twin Short” has more air pumping space for each speaker to dramatically increase the level of sound output.This twin speaker format is designed to be wired in parallel to provide 4-ohm impedance perfect for ESU LokSound decoders or can be wired in series to provide 16 ohms allowing it to be used with most brands of sound decoders.Unique features of the DCCS - "TWISTER TWIN SHORT" include:• Triple magnet speaker technology for improved sensitivity• Enclosure designed and manufactured by DCC Solutions• Fully sound tested for quality reassurance prior to sale• Enclosure markings “+/-” for easy parallel wire connections• Size with Enclosure: 29.60mm x 20.00mm• Height with Enclosure: 12.00mm• Nominal Power Output: 2 Watts• Impedance: 4 ohms (Suits ESU LokSound Decoders)• Frequency Range - 300Hz~20kHz• Sound Pressure Level - 73db• Max. Sound Pressure Level - 90.5db• Air Pumping Capacity - 82mm³ per speaker