Banggood

It is perfect and very easy to be used.I use a 12v power supply and both ways for speakers.It is perfect!!! I tested on iphone 8plus.

das ist gut

ottimo prodotto arrivato in tempi rapidi, qualità super!

Nice super cool

Ottimo prodotto. Perfettamente funzionante. Utilizzato per la costruzione di un Boom Box artigianale. Fa il suo lavoro!!!

funktioniert einwandfrei

FANTASTIC POWER AMPLIFIER very well manufactured circuit, the bluetooth connected very easily with my phone. I powered the unit with 12Vdc and connected to the ouput terminals two 8 Ohms loudspeakers; after 30 minutes at normal listening volume the heatsinks were still cold. The sound quality is good and there is not evidence of distorsion at my listening volume. I will do some mesurements with my oscilloscope as soon as I can, but till now I am very impressed about the performances of this small

C'est la quatrième carte audio de ce modèle que j'achète, et je suis toujours aussi satisfait du produit. Dernière réalisation, un bureau intégrant un système audio bluetooth basé sur cette carte Sanwu. Projet réalisé avec des étudiants dans le cadre d'une recherche sur l'intégration des fonctions. Mon seul regret : qu'il n'y ai pas un connecteur pour déporter les boutons de commande, ce qui oblige à souder en parallèle des boutons poussoirs sur la carte.

Me sorprendió. Al principio me pareció que tenía poco alcance de Bluetooth y averiguando encontré que al agregarle un trozo de cable de antena (múltiplo de 125 cm) mejoró muchísimo yo le puse 25 cm. Lo probé con una fuente de notebook (195v) un transformador de 15v y una batería. Ver fotos

Wonderful bluetooth amp! Has some buzz at high volume when nothing is being broadcasted via bluetooth but once something is being played is goes away. I built my first portable speaker in a off brand Pelican style case (waterproof) with two 3"(75mm) 30w rms 8 ohm speakers and a 5-1/4"(132mm) passive woofer. For power I have two 18650's in a 2s config. that go to a two way switch that then goes to the step up converter boosting to 13.8v which goes into this beautiful little board. I have to say that