diff --git a/config.py b/config.py
index 825444d..4ba0240 100644
--- a/config.py
+++ b/config.py
@@ -34,3 +34,10 @@ COMMAND_END_SILENCE_MS = 1200
 COMMAND_MIN_SPEECH_MS = 500
 COMMAND_MIN_LISTEN_MS = 1000
 COMMAND_MAX_LISTEN_MS = 15000
+
+TTS_EFFECTS_ENABLED = False
+TTS_BANDPASS_LOW_HZ = 200
+TTS_BANDPASS_HIGH_HZ = 7000
+TTS_REVERB_WET = 0.20
+TTS_REVERB_DECAY_MS = 100
+TTS_PITCH_SEMITONES = 0
diff --git a/tts.py b/tts.py
index 29bbdd1..9930298 100644
--- a/tts.py
+++ b/tts.py
@@ -1,8 +1,12 @@
 import time
 
+import numpy as np
 import sounddevice as sd
 import torch
 
+import config
+import effects
+
 language = 'ru'
 model_id = 'ru_v3'
 sample_rate = 48000  # 48000
@@ -19,18 +23,39 @@ model, _ = torch.hub.load(repo_or_dir='snakers4/silero-models',
 model.to(device)
 
 
-# воспроизводим
-def va_speak(what: str):
+def _post_process(audio):
+    if not getattr(config, 'TTS_EFFECTS_ENABLED', False):
+        return audio
+
+    arr = np.asarray(audio, dtype=np.float32)
+    low = getattr(config, 'TTS_BANDPASS_LOW_HZ', 0)
+    high = getattr(config, 'TTS_BANDPASS_HIGH_HZ', 0)
+    bandpass = (low, high) if low and high and high > low else None
+
+    wet = float(getattr(config, 'TTS_REVERB_WET', 0.0))
+    decay = int(getattr(config, 'TTS_REVERB_DECAY_MS', 0))
+    reverb = (wet, decay) if wet > 0 and decay > 0 else None
+
+    pitch = int(getattr(config, 'TTS_PITCH_SEMITONES', 0))
+
+    return effects.process(arr, sample_rate,
+                           bandpass=bandpass,
+                           reverb=reverb,
+                           pitch_semitones=pitch)
+
+
+def synthesize(what: str):
     audio = model.apply_tts(text=what + "..",
                             speaker=speaker,
                             sample_rate=sample_rate,
                             put_accent=put_accent,
                             put_yo=put_yo)
+    return _post_process(audio)
+
+
+def va_speak(what: str):
+    audio = synthesize(what)
 
     sd.play(audio, sample_rate * 1.05)
     time.sleep((len(audio) / sample_rate) + 0.5)
     sd.stop()
-
-# sd.play(audio, sample_rate)
-# time.sleep(len(audio) / sample_rate)
-# sd.stop()