Sennheiser MM 400 Wireless Stereo Bluetooth Headset In Stock UK

My reasons for buying these headphones were as follows:
– To listen to mp3′s on my Google G2 wired or wirelessly
– To listen to audio wirelessly on my Cowon Q5W
– To make and receive calls on my G2 both wirelessly and wired for when battery is low on either or both the headphones or my G2

– I am a fairly heavy user of headphones and needed something for an average of 3 hours use per day

Sound quality – I am really satisfied with the quality of audio when listening to mp3′s. Obviously, I know that mp3 will not test the limit of the MM400′s but suffice to say, they are, as you would hope, a huge improvement on the basic headphones supplied with my phone. It’s great to hear basslines you didn’t know existed!

Connection – This has been frustrating but I will lay this firmly at the feet of my G2 phone and NOT the MM400′s. Often, I cannot get the phone to connect to the MM400′s, like I said, I put this down the phone and not the headphones – For all you G2/Android users out there, the best way I find to get a connection is to switch phone Bluetooth ON, then switch MM400 Bluetooth on, then switch phone Bluetooth off (wait for phone to say disconnected) and then back on again!

I ran a quick test with an iPhone owning friend who was able to pair first time. But I would be very keen to hear how other iPhone users get on with connecting to the MM400′s as I’m sure there are many more iPhones out there than Android phones.

Connecting the MM400′s with my Cowon Q5W was successful every time.
I tested the range and call connection was not lost even at 10m. There was no noticable drop in quality over that distance either.

Usability – Once connected via Bluetooth the MM400′s on-ear controls are easy to use. There are 5 buttons: 1 to Accept/Hang up call & Play/Pause audio; 1 to skip back; 1 to skip forward; 1 to increase inbuilt volume; 1 to decrease inbuilt volume. These controls are found on the right ear pad.

The one draw back for me is the inability of the MM400′s to make use of the inbuilt mic when connected to your phone using the optional 3.5mm cable instead of Bluetooth. For example, if the MM400′s have run out of battery and you use the 3.5mm cable instead of Bluetooth, the inbuilt mic will not pick up your voice on a call. I like the convenience of leaving my phone in my pocket whilst walking but, with the 3.5mm cable connected, I cannot be heard by the other caller unless I hold my phone close to my mouth, thus rendering the MM400′s partially ineffective. Obviously, this is not a problem if you are connecting via Bluetooth all of the time, but the occasion will, no doubt, arise when the MM400′s run out of power and you need to connect using the 3.5mm cable.

Other – the MM400′s fold in a similar way to the PX100′s. Similar but not the same – where the PX range arms cross when folding, the MM400′s do not. Along with the 3.5mm cable, the MM400′s are also supplied with an airline adapter, and a selection of 4 power outlest connections: UK, US, Europe and Australasia (2 pin). Carry case has a pocket to house all items plus a small front zip pocket.

Over all, I am very satisfied and would recommend.

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