Edifer Prisma BT
The subwoofer is diagonal in shape 24.5x10x29.5cm. the pair of speakers are the 9.5x23.5x12cm, the total weight is just over 4kilos.
While they are sold as Bluetooth speakers they also work perfectly well as a wired unit using a 3.5mm cable to the Auxiliary Input socket.
With larger mains powered units I first use my ears, I turn on my audio system and listen to a CD that has a range of sounds and tones and then plug in the unit I am testing to replace my speakers and look for differences, here I found very few which means that my basic sound test is passed as the range is quite significant on that CD.
The overall volume level can be set either at the unit producing sound or via the corded remote control provided with the Edifer. There is secondary control on the subwoofer that allows you to change the output level of the subwoofer.
The subwoofer base is 2cm lower than the output meaning that even if it placed on a carpet rather than a wooden floor it is effective. This base is 2.5cm thick with the subwoofer actually 2.5cm above that so at least 4.5cm above the floor. The bass control is front left of the unit while the corded remote is at the front and fits into the subwoofer via a serial connection. At the front on the right side are three connections for DC input, 3.5mm lead to speakers and Auxiliary input.
The length of the leads are 1.8metres for the corded remote, 3.45metres for the mains lead with the power brick near mid way. The pair of speakers share a lead for .4metres and it then splits to allow the speakers to be placed up to 3metres apart.
Pairing is simple with any Bluetooth device - I tried three – all linked without problem. The first six pages of the User Guide are in English and should answer any questions you have.
I also connected the unit to a notebook and a PC and improved the quality of the sounds from both units.
If I have a criticism it is the corded remote that means you have to be no more than 1.8metres from the subwoofer to use it. Perhaps an App could be designed to allow your mobile device to control the volume as well and lose the corded link.
Good sound at all volumes and all sound types are handled correctly. The 9watt speakers worked well as did the 30watt subwoofer and as this had a separate control the bass could be reduced significantly at appropriate or should I say inappropriate times.
The Edifer e3350BT 2.1 Speaker set is available in White, Black or Silver - the latter is 5p cheaper – for £85 from the link below.
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