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Balanced Remote Passive Volume Controller XLR Passive Preamplifier

By |July 23rd, 2026|

Preamplifier X 1. When input from XLR socket. This is a Passive preamp. not have any gain. One way XLR output. One way stereo output. When input from RCA socket, only RCA has output. XLR no Audio output.

Sigma11 HIFI 50W+50W Fully Discrete Ultra Low Noise 2 Way Linear Power Supply

By |July 23rd, 2026|

This Power supply Circuit base on the famous sigma11 circuit. Stable voltage, ultra-low noise, ultra-low ripple. very suitable for updates all kind audio device Power supply. Input voltage: AC115V or AC230V (Optional) Output voltage: We have the following DC combination voltages to choose from. If you need other customized voltage combinations, please buy the customized version and contact us. ◆ DC 5V ------- 3.5A (MAX) ◆ DC 9V ------- 3.5A (MAX) ◆ DC 12V ------- 3.5A (MAX) ◆ DC 15V ------- 3A (MAX) ◆ DC 18V ------- 2.3A (MAX) ◆ DC 19V ------- 2.1A (MAX) ◆ DC 20V ------- 2A (MAX) ◆ DC 24V ------- 1.8A (MAX) ◆ DC 28V ------- 1.5A (MAX) ◆ DC 32V ------- 1.5A (MAX) Size: 245mm X 70mm X 258mm (WxHxD) Transformer : 2 PCS 50VA OFC Toroid transformer Weight: About 4.9kg DC Plug size: Outer diameter 5.5mm, Internal diameter 2.5mm (It will also compatible with 5.5*2.1mm socket. If you need other Size DC Plug, Please contact us). Power supply Polarity: "1+" / "2-" DC plug Polarity: Inner"+", External"-" Package include: A11 Linear Power supply X 1 0.8M Length DC cable X 2 NOTE: Default is no AC power cable included !!!

External Speaker Protector For Stereo Amplifier / Speaker Protection

By |July 22nd, 2026|

works Voltage: AC110V or AC220V for choose case Size: 102*52*145mm (W*H*D). not include the Terminal size. Features: 1:with the best performance UPC1237 as the core device, with start delay, DC protection, anti-shock features such as power outages 2:Use sealed high-current relay as the key device is not afraid of contact ignition and oxidation 3:circuit is simple and reliable. Production is very easy, free commissioning 4:Using dual Japan omron relay In the market,many amplifier are not built with speaker protection. once the amp has problem it may damage your expensive speakers,if you add this External speaker protector. will can avoid this situation. High sensitivity, low contact resistance, can guarantee the highest 300WX2 (2-8) ohm two-channel amplifier, we also can custom-make other high power version. if you need. please contact us!! note: the default price are not include the AC input cable. Shipping time: Default send by airmail,about 10-18 business days can arrive most of europe countries, Russia, Brazil,Africa.Ukraine and some other remote countries will need some more days. Payment: We ONLY accept PayPal. Payment must be made within 3 days of the auction end time. Non-Paying bidders will be reported. All items will be shipped within 1-3 business days (from china)upon receipt of payment. We ONLY send item to buyer's registered Paypal address,Buyer must be responsible for their postal address Customs & duties:For cross-border transactions,.we are not responsible for tariffs and duties. However, buyers may be responsible for actual, applicable tariffs, and duties as requested by respective country laws Return & Exchange: >> Some items return is accepted within 7 days after the buyer's receiving the item.(please see the detail describe)[In case of DOA (Dead on Arrival), please report within 3 days] >> Returned item has to be new, unworn and in its original condition. >> After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from )

Upgrade Audiophile Power Supply AC12V 500mA

By |July 22nd, 2026|

A MUST Hi-Fi accessories for Audiophile. (NO IEC type mains power lead included). Front panel color: defalut is black. ( we also can provide silver front. if you need. EMI filter suppressing RFI noise. ).