diff --git a/sys/dev/sound/pcm/channel.c b/sys/dev/sound/pcm/channel.c
--- a/sys/dev/sound/pcm/channel.c
+++ b/sys/dev/sound/pcm/channel.c
@@ -1209,8 +1209,8 @@
 	c->direction = direction;
 	c->type = dir;
 	c->unit = alloc_unr(chn_getunr(d, c->type));
-	c->format = SND_FORMAT(AFMT_U8, 1, 0);
-	c->speed = DSP_DEFAULT_SPEED;
+	c->format = SND_FORMAT(AFMT_S16_LE, 2, 0);
+	c->speed = 48000;
 	c->pid = -1;
 	c->latency = -1;
 	c->timeout = 1;