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FAQ for FN-BC10S MP3 Player Sound Board with 25W×2 Stereo Amplifier (FN-BC10S-P / FN-BC10S-N)

Q1: What speaker impedance works with the FN-BC10S? Will 4 ohm or 8 ohm speakers work?

A1: Yes. 4 ohm speakers will work okay with this board, including the 25W / 4 ohm speaker we sell. 8 ohm speakers will also work.

Q2: What is the difference between FN-BC10S-N and FN-BC10S-P?

A2: The boards are the same MP3 player sound board with 25W×2 amplifier; the difference is the button-control trigger polarity.

FN-BC10S-N is the negative trigger version: trigger sound by completing the circuit between the button and ground. It can also be activated with a low-level signal (0V) from a PLC or controller (share ground with the player).

FN-BC10S-P is the positive trigger version: trigger sound by completing the circuit between the button and positive voltage in. It can also be activated with a high-level signal (12–24V) from a PLC or controller (share ground with the player).

See the User Manual V1.0 (current) sections on Negative Trigger and Positive Trigger connections.

Q3: What power supply voltage and current does the FN-BC10S need?

A3: From the FN-BC10S User Manual V1.0 technical parameters:

  • Working voltage: DC 12V–24V
  • Working current: ≥4500mA @12V (when it has two 25W speakers, and external load/warning light is not connected)
  • Working current: ≥2250mA @24V (when it has two 25W speakers, and external load/warning light is not connected)
  • Power consumption: ≤50W (external load/warning light not included)
  • Output current to an external load/warning light: ≤1000mA

Source: FN-BC10S User Manual V1.0 (current).