Adds reverberation to the direct sound, simulating an acoustic space.

| Parameter | Value | Explanation | 
|---|---|---|
| Type | ROOM1, ROOM2, STAGE1, STAGE2, HALL1, HALL2 | Type of reverb | 
| Pre Delay | 0.0–100 [msec] | Adjusts the delay time from the direct sound until the reverb sound is heard. | 
| Time (*1) | 0–127 | Time length of reverberation | 
| HF Damp | 200, 250, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000, 5000, 6300, 8000, BYPASS [Hz] | Adjusts the frequency above which the reverberant sound will be cut (BYPASS: no cut). | 
| Low Gain | -15–+15 [dB] | Gain of the low range | 
| High Gain | -15–+15 [dB] | Gain of the high range | 
| Balance | D100:0W–D0:100W | Volume balance between the direct sound (D) and the reverb sound (W) | 
| Level | 0–127 | Output Level | 
*1: This parameter corresponds to MFX Ctrl. For details, refer to “Controlling the MFX with the PAD EDIT [1] [2] Knobs (MFX Ctrl)”. 
*1: This parameter corresponds to MASTER EFFECT CTRL. For details, refer to “Controlling the MASTER EFFECT with the MASTER EFFECT Knob (MASTER EFFECT CTRL)”.