Color: Black, Support: USB Disk/Max 64GB SD Card(Not included), Total harmonic distortion: ≤ 0.5%, Auxiliary level output: 1V, Type of power amplifier: AV power amplifier, Rated frequency: 20KH – 20KHz, Size: 320x 80x 240mm/12.6x 3.1x 9.4 inch, Model: TAV-6188E, Microphone input sensitivity: 9 mv (± 2mv), Rated power: 1200W, Signal input sensitivity: 200mv (± 30mv), , Recording level output: 1V, Vocal tract: 5 vocal tract, Signal to noise ratio: 90dB, Standard impedance: 4 to 16 ohm, Rated voltage: 115V/230V Conversion, Peak: 2000W.
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Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 
. Uhm… There’s no price history (in my database) for this product right now. One coupon is available. Cool!
Link: Banggood product page
1. ($70.49): BG589b2e
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG44de77, BGf0990d, 2022ACTIESNL, BG9c4e64, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, BG8ReviTrage, Cuponation9, COUPONSDE1wk, BGcoupon8off, BGGutscheine, BG00c906, BG8OFFCOUPON
(probably won’t work, but you can try them out)
Price history and price alert
There is only one database record (it was for $54.99), so you can’t see price history chart.
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)).