diff --git a/src/engine.rs b/src/engine.rs
index 2e9964d..68e8462 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -75,29 +75,14 @@ impl Engine {
                     let f1 = f1.unwrap();
 
                     // we privilege f32 formats to avoid a conversion
-                    if f1.data_type == cpal::SampleFormat::F32 && f2.data_type != cpal::SampleFormat::F32 {
-                        return Some(f1);
-                    }
                     if f2.data_type == cpal::SampleFormat::F32 && f1.data_type != cpal::SampleFormat::F32 {
                         return Some(f2);
                     }
 
-                    if f1.channels.len() < f2.channels.len() {
+                    // priviledge outputs with 2 channels for now
+                    if f2.channels.len() == 2 && f1.channels.len() != 2 {
                         return Some(f2);
                     }
-                    if f2.channels.len() < f1.channels.len() {
-                        return Some(f1);
-                    }
-                    if f2.channels.len() > 7 {      // TODO: not proper
-                        return Some(f1);
-                    }
-
-                    if f1.samples_rate.0 < 44100 && f2.samples_rate.0 >= 44100 {
-                        return Some(f2);
-                    }
-                    if f2.samples_rate.0 < 44100 && f1.samples_rate.0 >= 44100 {
-                        return Some(f1);
-                    }
 
                     Some(f1)
                 }).expect("The endpoint doesn't support any format!?");