Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: still can' decide HDMi or optical?
Document: Soundbars themselves have some inherent disadvantages, but they're still good. I got this link from AVS. I'ts good to have stuff in one place and Amazon, as usual, has provided me with a solid shopping experience.[..]
The hdmi connectivity is a bonus.Yes, the remote is minimal but it "learns" the tv remote in seconds so it's a non issue.Music and movies are both played solidly. I can say definitively it is the strongest performer in its class and think the design is smart and functional.
I think this sound bar would be a good deal at $400 to $450. At $550 - it feels somewhat overpriced. The remote...which now I have to use for Hdmi switching...feels cheap. The remote also has to be pointed at the sound bar perfectly for it to work. If it is off by a few degrees...it will not work.
Using the remote, you can switch to any of your other inputs, but not Bluetooth. I love this soundbar, and wouldn't hesitate to give it 5 stars if the remote were bigger and had a way to select Bluetooth. I'm considering getting a high end universal remote (maybe Logitech) so maybe that will take care of the two deficient areas.UPDATE July 13, 2014 - We've now had this soundbar over a year, and still love it, works great.
At this point the power will come on automatically for the SB400 and the music will start playing.Even if you were to unpair and disconnect from the SB400 at this point and turn the power off (power switch will be orange) the SB400 will still be discoverable by any Bluetooth device and able to pair with the SB400 even though the power is off.I have called and emailed JBL about this and never received a response by phone or email so the technical support for JBL is seriously lacking.
Unpair and disconnect the SB400 if listed.3. Turn SB400 on then hit the Bluetooth pair button.4. Pair your phone to the SB400 and connect.5. Turn power to SB400 off (make sure the power button is orange)6> go into Bluetooth setting and hit scan for devices.7. Bluetooth will find the SB4008. Pair and connect with the SB400 (power button will still be orange)9.
Blue tooth connection is erratic. Cannot always get connected to iPad or android phone. Sound is good but lost it totally and had to get support to press optical button to make it work.
Lately I switched the configuration to all the HDMI devices going directly to the TV and the audio being output from the TV via optical to the sound bar, sounds just as good and works a little bit better with my universal remote set up.
I've only connected it using an optical cable, but it seems that other reviewers have had trouble with other connection methods too. I was disappointed to find that with the optical connection, there is no onscreen display. Bottom line is that it's far too much money for a front speaker system with a subwoofer! !
This package is a recommended BUY from me.I use the optical input. I haven't tried the HDMI input or pass thru yet but I will update this review when I do. I hear the HDMI input shows the volume on the screen! Owned for about a month!
Answer: HDMI all the way. Optical is second best. Hope this Helps..:)