         }
     }
     
+    /// Dry/Wet Mix (Default 50)
+    public var dryWetMix: Double = 50.0 {
+        didSet {
+            if dryWetMix < 0 {
+                dryWetMix = 0
+            }
+            if dryWetMix > 100 {
+                dryWetMix = 100
+            }
+            inputGain?.gain = 1 - dryWetMix / 100.0
+            effectGain?.gain = dryWetMix / 100.0
+        }
+    }
+    
+    private var inputGain: AKGain?
+    private var effectGain: AKGain?
+
     /// Tells whether the node is processing (ie. started, playing, or active)
     public var isStarted = true
-    
+
     /// Tells whether the node is processing (ie. started, playing, or active)
     public var isPlaying: Bool {
         return isStarted
     }
-    
+
     /// Tells whether the node is not processing (ie. stopped or bypassed)
     public var isStopped: Bool {
         return !isStarted
     }
-    
+
     /// Tells whether the node is not processing (ie. stopped or bypassed)
     public var isBypassed: Bool {
         return !isStarted
     }
-    
+
     /// Initialize the band pass filter node
     ///
     /// - parameter input: Input node to process

/// - parameter bandwidth: Bandwidth (Cents) ranges from 100 to 12000 (Default: 600)
///
public class AKBandPassFilter: AKNode {
    
    private let cd = AudioComponentDescription(
        componentType: kAudioUnitType_Effect,
        componentSubType: kAudioUnitSubType_BandPassFilter,
        componentManufacturer: kAudioUnitManufacturer_Apple,
        componentFlags: 0,
        componentFlagsMask: 0)
    
    internal var internalEffect = AVAudioUnitEffect()
    internal var internalAU = AudioUnit()
    public var avAudioNode: AVAudioNode
    /// Required property for AKNode containing all the node's connections
    public var connectionPoints = [AVAudioConnectionPoint]()
    
    private var input: AKNode?
    
    /// Center Frequency (Hz) ranges from 20 to 22050 (Default: 5000)
    public var centerFrequency: Double = 5000 {
        didSet {
            if centerFrequency < 20 {
                centerFrequency = 20
            }
            if centerFrequency > 22050 {
                centerFrequency = 22050
            }

                Float(centerFrequency), 0)
        }
    }

    /// Bandwidth (Cents) ranges from 100 to 12000 (Default: 600)
    public var bandwidth: Double = 600 {
        didSet {
            if bandwidth < 100 {
                bandwidth = 100
            }            
            if bandwidth > 12000 {
                bandwidth = 12000
            }
