MX645R 1.2A 10 function standard sound decoder 8 pin

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MX645R 1.2A 10 function standard sound decoder 8 pin

Availability: In stock (10)


Zimo Standard sized 8 pin sound decoder

30x15x4mm on 8 pin harness

Stay alive connection wires fitted

Speaker not included



The MX645R is one of the latest generation of ZIMO sound decoders for OO/HO and some O use.

They have advanced capabilities, good continuous load rating and high power sound output.

The MX645R is fitted with a wire harness and NEM652, 8 pin, plug.

Speaker not included.

Stay alive ready.

30 x 15 x 4mm.

14, 28 or 128 speed step (256 or 1024 internal steps).

Ops and service mode programming.

Built in stay alive support circuitry and wiring. Needs only a capacitor adding. No further skills required.

Contacts for additional capacitor support.

Drive on DC

Software upgradeable (Requires MXDECUP module or a ZIMO DCC System).

Overload and overheat protected (but not totally immune to misuse).

Motor Drive 1.2Amp continuous, 1.5 Amp peak.

Silent motor drive at 20 or 40 kHz.

Suitable for all DC motors including coreless.

Individual speed curves.

Automatic drive optimization but can be manually adjusted.

Functions 10 function outputs including 2 for SUSI/Logic level. Max total all functions 0.8 Amps.

Full function mapping F0 to F12.

Full lighting functions; dim, flash, mars, strobe etc..

Train Control & Feedback Brake on DC. Lenz ABC (asymmetric brake control). Zimo braking modes. Constant braking distance.

RailCom equipped.

Sound Amplifier- 3 Watt. 16 Bit sound mixing. 32 Mbit sound storage. Speaker Impedance - 4 to 8 Ohms.

As standard this decoder is loaded with five generic German steam and one diesel sound schemes; selectable by CV.

This decoder can be preloaded with any of the DigitrainSound Zimo ZS sound files. See the list at, email or call for details of our excellent ever expanding range of genuine UK loco recordings.

Delivery & Returns

Delivery & Returns

If returning any product please can you ensure you send it back to us with proof of purchasing, a covering letter and contact details. See terms and conditions for full information on our returns policy.