Program your remote control to a BOSE Solo Sound Bar, use the following codes:
4001
5042
4017
1961
31629
31229
31841
30639
31253
30674

For programming with Uverse:
Press (at same time) ATT/OK – 955 – Enter
The volume control will then follow the mode button.

For programming with DirecTV:
Slide switch to AV1 or AV2
1. Press and hold MUTE and SELECT (LED flashes twice)
2. Enter the 4 or 5 digit code from above.
After each code, try using the VOL UP and see if VOL works.
If so, slide switch to AV1 or AV2
1. Press and hold MUTE and SELECT (LED flash 2x)
2. 993 then press SELECT
NOTE: Be sure your Bose is set to accept the IR codes.

(Confirmed: works with BOSE Solo Soundbar with SKY HD Rev9, DirecTV RC64, and Xfinity remotes)

To program your remote control to a INSIGNIA Sound Bar, use the following codes:
21268
12002
10463

If using Comcast remote and above codes do not work, try Code Search:
Turn on your sound bar.
Press Aux once on remote.
Then press and hold Setup until the key blinks 2x, then release Setup.
Enter 9 – 9 – 3.
The Aux key will blink 2x.
Press Power and aim the remote control at the sound bar and press CH + one or more times until the sound bar turns off.
Press Setup once to lock in the code.
The Aux key will blink twice.
To search for the codes of another device, repeat steps 1 to 5, but substitute the mode key for the device you are searching for.
SIDE NOTE: In search mode, the remote control will send IR codes from its library to the selected device, starting with the most popular code first.

(Confirmed: works with INSIGNIA Soundbar NS-SBAR-A, NS-SB314, SB212, with Comcast remotes)

To program your remote control to a SAMSUNG Sound Bar, use the following codes:
32609
22609
21014
20045

(Confirmed: works with Samsung Soundbar HW-FM55C, FM550, HW-HM45 and Xfinity remotes)

To program your remote control to a SONY Sound Bar, use the following codes:
1345
4029
31759

With Uverse remote try programming this method:
Program = press ATT/OK at same time – 955 – Enter.
In ATT mode set the STB sound to 15.
Set TV sound to a comfortable level
Set SONY soundbar sound to a comfortable level.

(Confirmed: works with SONY Soundbar HTCT260, CT770, CT-660, HTCT660 and Uverse remotes)

To program your remote control to an LG Sound Bar, use the following codes:
32676
11993
31953
31293

(Confirmed: works with LG Soundbar NB2022, NB3530A and Xfinity XR2 remote – Xfinity XR5 v4 remote)

To program your remote control to a VIZIO Sound Bar, use the following codes:
0883
0660
1517
1144
31517
11144
31975

Vizio Subwoofer volume control:
00105 Sub Down
00040 Sub Up

(Confirmed: works with VIZIO Soundbar VSB200, SB4020M-AO, SB15 2.1, VHT215, SB4021M-A1, VSB202, VSB210, VSB200-B)

Step-by-step for getting your Vizio Soundbar to work with the Comcast remote using EFC codes:
Aux – Setup (2 blinks) – 11144 (2 blinks)
Aux – Setup (2 blinks) – 994 – Setup – 001690 – Vol Up – 2 blinks
Aux – Setup (2 blinks) – 994 – Setup – 001680 – Vol Down – 2 blinks
Aux – Setup (2 blinks) – 994 – Setup – 000370 – Mute – 2 blinks
Aux – Setup (2 blinks) – 994 – Setup – 001650 – Power – 2 blinks
Aux – Setup (2 blinks) – 994 – Setup – 001640 – Input – 2 blinks

For Comcast remote, follow the Unlock/Lock directions using the 993 code to make the AUX Volume mode control the sound bar. 
Make sure you unlock the volume with the 993 code following the instructions.
The Comcast remote will then control the volume via the sound bar and not the TV.

To program your remote control to a SANYO Sound Bar, use the following codes:
20047
10154
10159
10051
10250

When connecting the Sound Bar, you can plug your soundbar directly into the Cable box, SAT box, or TV. Different programming methods may be needed depending on how your soundbar is connected.