ขาย 2.1 Channel แผงวงจรโมดูลเบสซับวูฟเฟอร์ ราคาที่ดีที่สุด

Specifications: The opamp socket design makes it possible to change different types of opamp to change the sound style. With three adjustment methods of low-pass volume, frequency and phase, it is harmonious and convenient to use. Both non-inverting amplifiers and inverting amplifiers are compatible. The small and high-precision design has a pure and fast sound. Item Name: Subwoofer Preamp Board Material: PCB Specifications: 1#: Subwoofer Preamp Board Parts Kit, 2#: Finished Subwoofer Preamp Board Chip Model: NE5532 78M12 Input Voltage: DC 12-30V, AC 9-20V Architecture: Dual 5532 2.0 Full Tone +0.1 Bass Frequency Range: Full Tone 20-20KHz, Bass 20-200Hz Features: Controllable Volume, Adjustable Bass Frequency and Phase, Durable Finished Product Size: 9.8cm x 4cm x 2.3cm/3.86" x 1.57" x 0.91" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. This product cannot be directly connected to speakers, it needs to be matched with an amplifier to drive the subwoofer. The performance of the bass has a lot to do with the frequency response of the power amplifier and speakers and the cabinet, please treat it rationally. Package Includes: 1 Set of Subwoofer Preamp Board Parts or 1 x Finished Subwoofer Preamp Board