NOTE: Before choosing the Echo wall SOUNDBARS, you'd better know whether your devices can be use after buy.
1, Make sure what device you want to the speaker connect with, like: TV, set-top boxes, boxes, DVD, computer, etc.
2，How many devices I need connect with the SOUNDBAR?
3，I also need it to have what kind of function, such as Bluetooth, usb, Rrmote controller, etc.

Of course, the main function of Soundbar is connected to the TV, set-top boxes, etc, so what are the basic interface of TV?
1, 3.5 headphone jack (AV output, audio output, headphone output)
2, the left and right sound channel output
3, optical fiber output
4, coaxial digital output,
5, special audio interface,
6, there is no audio output interface
***So when selecting speakers you need according to these to determine whether you can use.

Specifications:

Power Supply : USB DC 5V

Input: 3.5mm AUX

Output: Mic/Earphone/spaekers

Consume Power :10W

Driver units:40mm*4

Frequency respond: 80Hz--20KHz

Impendance:4Ω

SNR:≥95DB

Separation:≥65DB

Stereo Unbalance≤2DB

Distortion Factor : THD+No.1%

Package included:
1X USB Sound Bar 600X
1X USB adapter
1X TV Cable
1X User Manual

• Fashionable & Simple Design, Small size USB power jack Sound bar with Quality sound, Front cabinet is with Metal mash, it looks top grade.Item Size: 19.9(L)*2.6(W)*2.6(h) inch (fast delivery!!)
• Built-in 4 speakers with perfect sound, with Anti-interference cable (USB Cabel and Audio Cable) to avoid any noise
• Volume knob with LED light indicator (Medium volume adjustable, without mute), support Mic and Earphone jack, very convenient change to headset connection in a private use, and it's very easy to wall mounted installation.
• Mini size and light, saving space and convenient to place, easy to use. Suitable put in a private office, bedroom, study-room, meeting room, ect. Compatiable with Computer, Notebook, Mobile phone, Small size TV( must support TV Audio output jack)
• ***INPORTANT NOTE***: Please check the TV output jack before buying it! Welcome to contact with us for any questions!

Fashionable & Simple Design, Small size USB power jack Sound bar with Quality sound, Front cabinet is with Metal mash, it looks top grade.Item Size: 19.9(L)*2.6(W)*2.6(h) inch (fast delivery!!)LONPOO