---
name: "snd_t4dwave"
section: "4"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/snd_t4dwave"
---

# snd\_t4dwave(4)

Trident 4DWave bridge device driver

## NAME

**snd\_t4dwave** – Trident 4DWave bridge device driver

## SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:

**device sound** **device snd\_t4dwave**

Alternatively, to load the driver as a module at boot time, place the following line in [loader.conf(5)](/loader.conf/5.md):

```
snd_t4dwave_load="YES"
```

## DESCRIPTION

The **snd\_t4dwave** bridge driver allows the generic audio driver, [sound(4)](/sound/4.md), to attach to Trident 4DWave audio devices.

## HARDWARE

The **snd\_t4dwave** driver supports the following audio devices:

- Acer Labs M5451

- SIS 7018

- Trident 4DWave DX

- Trident 4DWave NX

## SEE ALSO

[sound(4)](/sound/4.md)

## HISTORY

The **snd\_t4dwave** device driver first appeared in FreeBSD 4.0.

## AUTHORS

This manual page was written by Joel Dahl ⟨*joel@FreeBSD.org*⟩.