UPDATE 2-Sealy gives Q2 revenue view, shares rise

* Sees Q2 rev of $294 mln-$301 mln vs $297.9 mln

* Sees domestic units sold to fall 12-14 pct y-o-y

* Shares rise 34 pct after the bell (Adds details from conference call, updates share movement)

June 18 (Reuters) - Mattress maker Sealy Corp (ZZ.N) gave a second-quarter revenue outlook, the upper end of which was above market estimates, sending its shares up more than 34 percent after the bell.

In a conference call, Sealy said domestic net sales have stabilized even as market conditions remained challenging. It expects domestic units sold to be down 12 percent to 14 percent on a year-over-year basis.

The company said the domestic average unit selling price will be down about 1 percent in the quarter as it continues to see market focus more on value priced products.

For the second quarter, Sealy expects total net sales of $294 million to $301 million. Analysts on average were expecting sales of $297.9 million, according to Reuters Estimates.

Domestic net sales are expected to be in the range of $219 million to $224 million, while international net sales are expected to be in the range of $75 million to $77 million.

Sealy said international sales were affected by the declines in original equipment manufacturer (OEM) sales in Europe and a weak retail environment in Canada and Europe.