You can create price alert here, copy coupons and view price history. What is best price?
Subwoofer Type: Subwoofer Speaker, Rated Power: 600W, Peak Power: 1000W, Color: Black, Size: 23.5×15.5cm (LXW), THD: <0.1%, Operating Voltage: 12V, Impedance: 4-8 Ω, Qty: 1pc, Model: PA-80D, SNR: 105dBA, Channels: 1-Channel, Frequency Response: 30Hz~280KHz, Material: Metal, Product Name: Car Amplifier
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
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Link: Banggood product page
1. ($29.39): BGCarAud4
2. ($32.89): BG00c906
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BANGGOODSD, 00c906, ADMITAD2212, 8BGwbg2204, BGCarAud3, BGAUTO22, BGdcbfa8, BG8ReviTrage, Cuponation9
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for PA-80D Amplifier 12V 1000W Car Audio Amplifier [EU]? There we go.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for PA-80D Amplifier 12V 1000W Car Audio Amplifier [EU]](https://couponsfromchina.com/pricehistory/History30485.png "PA-80D Amplifier 12V 1000W Car Audio Amplifier [EU] price history")
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).