Product: NE5532 Stereo Preamplifier
- Adopts NE5532 front chip for better performance
- High quality potentiometer for stable audio output
- Adjustment Types: treble, alto, bass, volume
- Suitable for high-quality and professional sound equipment

Product: Subwoofer Preamp Board
- Uses NE5532 chip for optimal performance
- LED real-time power monitoring
- PCB board design for high signal to noise ratio
- Power supply voltage: DC12V-24V
- Frequency range: 22Hz-300Hz
- Audio input: mono or two-channel

Product: Pre Amplifier Board
- Single-supply low-pass filter plate for DIY enthusiasts
- Power amplifier board can share power with amplifier
- Input Voltage: DC10-24V
- Dual-panel design for high signal transmission
- Frequency adjustment range: 22Hz-300Hz

Package Included:
- 1 x Low-pass Filter NE5532 (with 2 rotary potentiometer cap)
- 1x Low-pass Filter NE5532 Hifi Subwoofer 2.1CH Pre-Amplifier Preamp Board
- 4x Cables
- 1 * NE5532 Stereo Preamp
- 1 * Audio Cable

We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support.

Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included).
Working time:Monday-Friday 9:00 AM-5:30PM(Beijing)

A complete and correct shipping address is essential.
Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information.
For any further information about shipping,please contact our customer service team.

We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team.

We offer at least 1 year guarantee on all of our products.