YL-530S New Full Band HiFi Mini DSP Digital Tuner Type-C Charging DIY DSP Radio Tuner Support for LW MW SW FM. If necessary, forced heat dissipation should be carried out. - 1 x DSP Tuner. - The rear panel has two rows of heat dissipation holes, and combined with the internal structure, a circulating air duct can be established, where air enters from the lower row holes to take away heat and exits from the upper row holes, further enhancing the heat dissipation effect.
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