Does the VSX-LX505 support 5.1?

Yes, on its own amplifier channels. Its 9 built-in amplifier channels cover all 5 5.1 needs.

How many speakers do I need for 5.1?

5.1 uses 5 speakers and a subwoofer.

Do I need an external amplifier for 5.1 on the VSX-LX505?

No — its 9 built-in amplifier channels cover all 5 5.1 needs.

Can the Pioneer VSX-LX505 run 5.1?

Verdict

Yes

Its 9 amplifier channels cover all 5 speakers 5.1 uses.

Speakers

5 floor, plus a sub

Amp channels

One for every speaker

Processing

Decodes all 5

5 floorSubwoofer

What 5.1 takes

5 floor speakers: front left and right, a center and two surrounds
A subwoofer

Pioneer VSX-LX505 has pre-outs for front, center, surround, rear surround and height, and 2 subwoofer outputs.

Plan 5.1 with the VSX-LX505 in your own room.

Draw your room in 3D, place the speakers where they go, and see every connection checked and how it sounds at your seat. Designing is free.

Build it in your room

Other layouts on the VSX-LX505

The VSX-LX505 powers 9 speakers and processes 11. In a layout like 7.1.4, the 7 is floor speakers, the 1 a subwoofer and the 4 height speakers.

Stereo
Runs on its own
5.1
Runs on its own
5.1.2
Runs on its own
5.1.4
Runs on its own
7.1
Runs on its own
7.1.2
Runs on its own
7.1.4
Add a power amp

Questions about the VSX-LX505 and 5.1

Does the VSX-LX505 support 5.1?: Yes, on its own amplifier channels. Its 9 built-in amplifier channels cover all 5 5.1 needs.
How many speakers do I need for 5.1?: 5.1 uses 5 speakers and a subwoofer.
Do I need an external amplifier for 5.1 on the VSX-LX505?: No — its 9 built-in amplifier channels cover all 5 5.1 needs.

References for the VSX-LX505

Specs verified against the manufacturer's published data. Last checked September 15, 2026.

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