PYFORE ESS-ONE Plus Vehicle Engine Sound Simulator Speaker for LOSI 1/4 Promoto-MX RC Motorcycle (for RC Motorcycle)

PYFORE RC Car 2nd Generation Motor Sound Simulator Set RC Car Engine Sound Simulator, Remote Control Car Sound Engine Simulation Module Set with 2 Speakers for 1/10 Vehicle Model (binaural-)

PYFORE RC Car 2nd Generation Motor Sound Simulator Set RC Car Engine Sound Simulator, Remote Control Car Sound Engine Simulation Module Set with 2 Speakers for 1/10 Vehicle Model (Two-Voice Group)