Large Scale ( O & G ) Products

DCC Specialties RRampMeter DCC Amp/Volt Meter Ver.1RRampMeter is now marketed by DCC Specialties! The only inexpensive device that accurately measures DCC Volts/Amps. Also measures AC and DC Volts/Amps. Costs less than DVMs that cannot measure DCC. Ver...

DCC Specialties RRampMeter DCC Amp/Volt Meter Ver.2RRampMeter is now marketed by DCC Specialties! The only inexpensive device that accurately measures DCC Volts/Amps. Also measures AC and DC Volts/Amps. Costs less than DVMs that cannot measure DCC. Ver...

DCC Specialties RRampMeter DCC Amp/Volt Meter Ver.3RRampMeter is now marketed by DCC Specialties! The only inexpensive device that accurately measures DCC Volts/Amps. Also measures AC and DC Volts/Amps. Costs less than DVMs that cannot measure DCC. Ver...

DCC Specialties RRampMeter DCC Amp/Volt Meter Ver.4RRampMeter is now marketed by DCC Specialties! The only inexpensive device that accurately measures DCC Volts/Amps. Also measures AC and DC Volts/Amps. Costs less than DVMs that cannot measure DCC. Ver...

Digitrax DG383AR DCC Decoder - AristoCraft Plug   Features:DG383AR fits locos with AristoCraft DCC plug arrangement. Use with locos that have single motor per truck such as AristoCraft RS-3 & RDC. Decoder Lock equipped   Series 3 Decoder...

Digitrax DG583AR DCC Decoder - AristoCraft Plug       Features: DG583AR fits locos with AristoCraft DCC plug arrangement. Use with locos that have two motors per truck such as AristoCraft SD45. Decoder Lock equipped   Series 3...

Digitrax DG583S DCC Decoder - Screw Terminals     Series 3 Decoder Features Series 3 decoders with 6 functions have FX3 function outputs Torque compensation SuperSonic motor drive for quiet operation (silent operation) Support for all DCC...

Digitrax DH465 DCC Decoder - Hardwire     Features:Series 5 HO/O Wired DecoderDecoder Lock equippedSeries 5 Decoder has Full Series 3 Mobile Decoder Feature Set plus Sound Bug ready     Series 5 Features Sound Bug Compatible: ...

Digitrax DO487 Series 7 DCC Decoder - NMRA 9-pin JST to Hardwire   Series 7 Decoder Features Smart Power Management- no more booster or programmer shutdowns! Program CVs using any Digitrax Compatible Control system without having to buy any...

Digitrax SDXO487 Series 7 High Capacity DCC Sound Decoder - NMRA 9-pin JST to Hardwire   Digitrax decoders ship to us with a preloaded sound scheme but are reprogrammable like other decoder options that we offer.  The Digitrax Sound Depot...

Digitrax SP531832B Speaker 53mm x 18mm x 14mm 32 Ohm 0.5 watt w/ Bass Reflex Enclosure 53mm x 18mm x 14mm  32 ohm 0.5 Watts Bass Reflex Sound Chamber Included Fits many HO, O and G Scale installations.   The...

Digitrax SP53188B Speaker 53mm x 18mm x 14mm 8 Ohm 0.5 watt w/ Bass Reflex Enclosure 53mm x 18mm x 14mm  8 ohm 0.5 Watts Bass Reflex Sound Chamber Included Fits many HO, O and G Scale installations.   The speaker is...

ESU 50322 Speaker Monacor Sp6/4SQ, 59mm Round 8 Ohms, for PIKO G/LGB Loks 59mm Round 8 ohm 1-2 Watts for PIKO G/LGB Loks   The speaker is specifically selected for use with the LokSound XL decoder...

ESU 50323 Speaker 40mm Round 8 ohm 1 watt w/ Sound Chamber 40mm Round 8 ohm 1-2 Watts Sound Chamber Included The speaker is suitable for use with LokSound V4.0 and LokSound V4.0 Micro.    

ESU 50324 Visaton FRS7 Speaker 70mm Round 8 ohm 1 watt LokSound XL 70mm Round 8 ohm 1-2 Watts Visaton loudspeakers offer a powerful bass and a high-quality audio playback, whereas ESU loudspeakers are also suitable for open-land...

ESU 50336 Speaker Visaton SC4.7ND 41x70mm 8 ohm 1 watt LokSound XL 41x70mm Rectangular 8 ohm 1-2 Watts Visaton loudspeakers offer a powerful bass and a high-quality audio playback, whereas ESU loudspeakers are also suitable for...

ESU 50337 Visaton FRS5 Speaker 50mm Round 8 ohm 1 watt LokSound XL 50mm Round 8 ohm 1-2 Watts Visaton loudspeakers offer a powerful bass and a high-quality audio playback, whereas ESU loudspeakers are also suitable for open-land...

ESU 50338 Visaton FRS8 Speaker 78mm Round 8 ohm 1 watt LokSound XL 78mm Round 8 ohm 1-2 Watts Visaton loudspeakers offer a powerful bass and a high-quality audio playback, whereas ESU loudspeakers are also suitable for open-land...

ESU 50343 "Passive Radiator" style Speaker 29x65mm 4 ohm 2 watt w/ Sound Chamber 29x65mm Height: 14mm 4 ohm 1-2 Watts Sound Chamber Included This loudspeaker module is suitable for models with a gauge of 0 or 1. Its built-in passive radiator, in...

ESU 50344 "Passive Radiator" style Speaker 24x55mm 4 ohm 2 watt w/ Sound Chamber 24x55mm Height: 8.6mm 4 ohm 2 Watts Sound Chamber Included This loudspeaker module is suitable for large tenders with H0 or OO gauges or models with a gauge of 0. Its...

ESU 50345 "Passive Radiator" style Speaker 22x42mm 4 ohm 2 watt w/ Sound Chamber 22x42mm Height: TBD mm 4 ohm 1-2 Watts Sound Chamber Included This new loudspeaker module fits wherever 20mm x 40mm rectangular speakers were previously installed. With...

ESU 50346 "Passive Radiator" style Speaker 24x55mm 8 ohm 2 watt w/ Sound Chamber 24x55mm Height: 8.6mm 8 ohm 2 Watts Sound Chamber Included This loudspeaker module is suitable for large tenders with H0 or OO gauges or models with a gauge of 0. Its...

ESU 50347 "Passive Radiator" style Speaker 22x42mm 8 ohm 2 watt w/ Sound Chamber 22x42mm Height: TBD mm 8 ohm 1-2 Watts Sound Chamber Included This new loudspeaker module fits wherever 20mm x 40mm rectangular speakers were previously installed. With...

ESU 50348 "Passive Radiator" style Speaker 18x35mm 4 ohm 2 watt w/ Sound Chamber 18x35mm Height: 12 mm 4 ohm 1-2 Watts Sound Chamber Included This speaker module offers extremely good performance data with moderate dimensions. With the help of the...

ESU 50349 "Passive Radiator" style Speaker 28mm Round 4 ohm 3 watt w/ Sound Chamber   This round speaker module can replace a regular 28mm round speaker in most cases. With the help of the built-in passive radiator in conjunction with a...

ESU 50445 Speaker 57mm Round 16 ohm 1 watt w/ Sound Chamber 57mm Round 16 ohm 1-2 Watts Sound Chamber Included The speaker is suitable for use with LokSound Select, LokSound V4.0, LokSound V4.0 Micro, and LokSound XL decoders...

ESU 50446 Speaker 78mm Round 32 ohm 1 watt w/ Sound Chamber 78mm Round 32 ohm 1-2 Watts Sound Chamber Included The speaker is suitable for use with LokSound Select, LokSound V4.0, LokSound V4.0 Micro, and LokSound XL decoders...

ESU 50703 Large Scale Passenger Car Lighting Kit with Taillight - White/Yellow     The 380mm long, 15mm wide coach interior lighting strip with the part number 50703 is intended for installation in 1 gauge models. It is equipped with both white...

ESU 51956 LokSound 5 L Pin Header Adapter Board     Dimensions:  TBD - mm x mm x mm To Top Of Pins   On request, this dummy plug replaces a LokSound 5 L or LokSound L V4.0 decoder in locomotives that are to run on analog systems...

ESU 51959 LokSound and LokPilot L Adapter Board - Pin Connector to Solder Pad     This adapter board provides the suitable connections for your new LokSound/LokPilot L decoder.   The decoder can be plugged directly into the socket...

ESU 51965 Permanent Magnet for Marklin 3015, ET800, ST800, Gauge 1 Motors Permanent magnet for Märklin 3015, ET800, ST800, Gauge 1 motors For the retrofit of old Märklin all-current motors you need a permanent magnet. It replaces the present...

ESU 51971 LokSound XL Pin Connector Adapter Board     Dimensions:  42.6 mm x 62 mm x 9.1 mm To Top Of Pins Adapter board for LokSound XL with PIN connectors.  For professionals in digital model railroading there is a new adapter...

ESU 53900 LokTester V2.1 DCC Decoder Test Station with ESU E24 Interface       ESU has introduced a new interface in 2021 with the release of the ESU 58923 LokSound 5 Nano NMRA DCC Sound Decoder - Hardwire and ESU...

ESU 53901 LokTester V2.0 DCC Decoder Test Station Extension     Perhaps you are familiar with this scenario: there is a digital decoder sitting on your workbench and you want to test it prior to a perhaps complex installation. But how...

ESU 53950 LokSound and LokPilot L Adapter Board - Pin Connector to Screw Terminal   This adapter board ensures the convenient connection of your LokSound 5 L or LokPilot 5 L Decoders. The decoder is inserted directly into the socket strips. On the...

ESU 54640 LokPilot V4.0 XL NMRA DCC plus MM/SX/M4 Decoder Screw Terminal     The biggest of all LokPilot decoders is truly the new LokPilot XL V4.0. It speaks DCC with RailCom-Plus®, Motorola®, Selectrix® and M4 as well as...

ESU 54672 PowerPack Maxi for LokPilot & LokSound - Hardwire The new ESU PowerPack Maxi has been developed as the powerful complement to the LokSound L V4.0 / LokSound 5 L decoder. It can, of course, provided there is sufficient space, also be...

ESU 58315 LokSound 5 L Multi-protocol (DCC/MM/SX/M4) Sound Decoder - Pin Header with Adapter Board   ESU decoder ship to us blank (or mute, or no pre-loaded sound file, or...) unlike other decoder options that we offer.  The ESU Sound File...

ESU 58325 LokSound 5 L NMRA DCC Sound Decoder - Pin Header with Adapter Board   ESU decoder ship to us blank (or mute, or no pre-loaded sound file, or...) unlike other decoder options that we offer.  The ESU Sound File Library offers hundreds...

ESU 58513 LokSound 5 XL Multi-protocol (DCC/MM/SX/M4) Sound Decoder - Screw Terminals   ESU decoder ship to us blank (or mute, or no pre-loaded sound file, or...) unlike other decoder options that we offer.  The ESU Sound File Library offers...

ESU 58515 LokSound 5 XL Multi-protocol (DCC/MM/SX/M4) Sound Decoder - Pin Header   ESU decoder ship to us blank (or mute, or no pre-loaded sound file, or...) unlike other decoder options that we offer.  The ESU Sound File Library offers...

ESU 59315 LokPilot 5 L Multi-protocol (DCC/MM/SX/M4) Decoder - Pin Header with Adapter Board     The LokPilot 5 L finds its place wherever the LokPilot 5 no longer “fits” in terms of performance. Ideally, these are vehicles of...

ESU 59325 LokPilot 5 L NMRA DCC Decoder - Pin Header with Adapter Board The LokPilot 5 L finds its place wherever the LokPilot 5 no longer “fits” in terms of performance. Ideally, these are vehicles of nominal size 0, but also gauge 1...

NCE D408SR DCC Decoder - Screw TerminalThis is a true 4 Amp (12 Amp peak) self contained decoder for S, O and large scale with connectorized wire harnesses. Functions supported: Headlight(s) plus seven additional function outputs. All function outputs...

NCE D808SR DCC Decoder O-G USA Trains Charles Ro - Screw Terminal This Silent RunningTM decoder is specifically designed for high stall current large scale locomotives such as those produced by USA Trains and Charles Ro. The decoder has 8 function...

SBS4DCC Ultra Bass Speaker 28x40mm Rectangular     Speaker Specifications: Nominal Power Rating                   3.0 W Max Power Rating                ...

SBS4DCC Ultra Bass Speaker 28x40mm Rectangular     Speaker Specifications: Nominal Power Rating                   2.0 W Max Power Rating                ...

SBS4DCC Ultra Bass Speaker 30x70mm Rectangular 4 ohm 2 watt     Speaker Specifications: Nominal Power Rating                   2.0 W Max Power Rating            ...

SBS4DCC Ultra Bass Speaker 30x70mm Rectangular Spacer Frame     The speaker Spacer Frame is suitable for use with the following speaker models:   SBS4DCC Ultra Bass Speaker 30x70mm Rectangular 4 ohm 2 watt   The frame is used as...

SBS4DCC Ultra Bass Speaker 40mm Round     Speaker Specifications: Nominal Power Rating                   3.0 W Max Power Rating                  ...

SBS4DCC Ultra Bass Speaker 40mm Round 4 ohm 5 watt     Speaker Specifications: Nominal Power Rating                   5.0 W Max Power Rating                ...

SBS4DCC Ultra Bass Speaker 41x71mm Rectangular     Speaker Specifications: Nominal Power Rating                   3.0 W Max Power Rating                ...

SBS4DCC Ultra Bass Speaker 41x71mm Rectangular     Speaker Specifications: Nominal Power Rating                   3.0 W Max Power Rating                ...

SBS4DCC Ultra Bass Speaker 41x71mm Rectangular Spacer Frame     The speaker Spacer Frame is suitable for use with the following speaker models:   SBS4DCC Ultra Bass Speaker 41x71mm Rectangular 4 ohm 3 watt   SBS4DCC Ultra Bass...

SoundTraxx 810078 Speaker 28x40mm Rectangular 8 ohm 1.0 watt   Great sound for your train if you can fit this one in your model! Dimensions: 40 x 28.5 x 11.3mm(D) Frequency Response: 250Hz - 20kHz Power: 1 Watt (Nominal) 2 Watts...

SoundTraxx 810090 Speaker 50x90mm Rectangular 8 ohm 5.0 watt     This is one of our largest speakers for use with the TSU-4400 in O-scale or larger models. Dimensions: 50 x 90 x 37.5mm(D) Frequency Response: 230Hz - 20kHz Peak Power: 5...

SoundTraxx 810103 Speaker 20x40mm Rectangular 8 ohm 1.5 watt     This is a great speaker for many HO and S-scale locomotives. Dimensions: 40 x 20 x 8mm(D) Frequency Response: 550Hz - 12kHz Peak Power: 1.5 Watts Impedance: 8...

SoundTraxx 810115 Speaker 20x35mm Rectangular 8 ohm 2.0 watt     If you have more space, this speaker is great for larger models. Dimensions: 35 x 20 x 5.3mm(D) Frequency Response: 300Hz - 5kHz Impedance: 8 Ohms Peak Power: 2...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals     A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals     A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals     A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals     A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals     A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

Soundtraxx TSU-4400 Tsunami 2 DCC Sound Decoder - Screw Terminals     A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and...

Soundtraxx BLU-4408 Blunami 2 DCC Sound Decoder - Screw Terminals   A true pioneer in the model train industry, SoundTraxx has been creating innovative products for the discriminating model railroader since 1990. We proudly design and manufacture...

  TCS 1303 G8 DCC Decoder - Screw Terminals     This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. Back EMF Load Compensation: Provides superior slow speed...

  TCS WOWSound DCC Sound Decoder - WOW501-SteamThe WOW501 is a universal, 5 Amp sound decoder for large-scale locomotives. The WOW501 includes Keep Alive® on-board for stutter-free operation. Function 5 and 6 may be programmed to control a...

  TCS WOWSound DCC Sound Decoder - WOW501-Diesel The WOW501 is a universal, 5 Amp sound decoder for large-scale locomotives. The WOW501 includes Keep Alive® on-board for stutter-free operation. Function 5 and 6 may be programmed to control a...

TCS 1669 KA5 DCC Decoder Keep-Alive Device - Hardwire TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The KA5 includes an additional fifth...

TCS 1694 28mm (1.10") High Base Round WOWSpeaker 4 Ohm 4W     You haven’t heard WOWSound until you’ve heard it through our 28mm High Bass 4W WOWSpeaker! This speaker handles an unprecedented 4 watts of power, and showcases a...

TCS 1695 32mm (1.26") Round Speaker 8 Ohm 1W     To find these little gems we tested more than 40 speakers and hands down these are the best small format speakers we have ever heard. Producing sounds with the clarity and volume of a much...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

TCS 24 Gauge Wire     This high-quality, high-flexibility hookup wire may be used for buss wiring, large-scale locomotives, or other applications where a heavy wire gauge is necessary.   This wire features #24 AWG multi-strand 105/44 (...

ZIMO "Dumbo Sugar Cube" Speaker - 26x20x08mm w/ Sound Chamber "Dumbo" series speaker with long and thin sound chamber.   Specifications: 26x20mm - 8mm Tall 8 ohm 1 Watts All ZIMO decoders are able to use 8 ohm speakers, most can use 4 ohm...

ZIMO "Dumbo Sugar Cube" Speaker - 40x20x09mm w/ Sound Chamber "Dumbo" series speaker with extra long and thin sound chamber to ensure perfect bass response.Specifications:   40x20mm - 9mm Tall 8 ohm 1 Watts All ZIMO decoders are able to use 8 ohm...

ZIMO "Dumbo Sugar Cube" Speaker - 40x22x09mm w/ Sound Chamber Two "Dumbo" series speaker with long and thin sound chamber.Specifications:   40x22mm - 9mm Tall 4 ohm 2 Watts   All ZIMO decoders are able to use 8 ohm speakers, most can use 4...

ZIMO "Dumbo Sugar Cube" Speaker - 55X22X09mm w/ Sound ChamberTwo "Dumbo" series speaker with extra long and thin sound chamber to ensure perfect bass response. Specifications: 55x22mm - 9mm Tall 4 ohm 2 Watts All ZIMO decoders are able to use 8...

ZIMO "Dumbo Sugar Cube" Speaker - LS50X15X14mm w/ Sound Chamber Two "Dumbo" series speaker with narrow and tall sound chamber for better volume and perfect bass response.Specifications: 50x15mm - 14mm Tall 4 ohm 2 Watts All ZIMO decoders are able to...

ZIMO "Dumbo Sugar Cube" Speaker - LSG50X15X14mm w/ Sound Chamber Two "Dumbo" series speaker with narrow and tall sound chamber for better volume and perfect bass response.  The speakers are wired in series making it suitable for use with ZIMO large...

ZIMO ADAMKL NEM660 21MTC Adapter Board - Screw Terminals     The ADAMxx-series adapter boards are designed for use NEM660 21MTC decoders, including the MX631C, MX634C and MX644C model decoders.CAUTION: This product should not be used with...

ZIMO ADAMKL NEM660 21MTC Adapter Board - Screw Terminals     The decoder is plugged into the male connector of the adapter board which features interface connections and features for easy, convenient installation and improved functionality in...

ZIMO ADAMTC NEM660 21MTC Adapter Board - Hardwire     The decoder is plugged into the male connector of the adapter board which features interface connections and features for easy, convenient installation and improved functionality in large...

ZIMO ADAMTC15 1.5V Function Output NEM660 21MTC Adapter Board - Hardwire     The decoder is plugged into the male connector of the adapter board which features interface connections and features for easy, convenient installation and improved...

ZIMO ADAMTC50 5.0V Function Output NEM660 21MTC Adapter Board - Hardwire     The decoder is plugged into the male connector of the adapter board which features interface connections and features for easy, convenient installation and improved...