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mpe74/
Qwen3-TTS-12Hz-0.6B-Base-mxfp4

Name: Qwen3-TTS-12Hz-0.6B-Base-mxfp4
Availability: InStock

Qwen/Qwen3-TTS-12Hz-0.6B-Base

quantized

4-bit

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Qwen3-TTS-12Hz-0.6B-Base — MXFP4 (MLX)

MXFP4 quantized version of Qwen/Qwen3-TTS-12Hz-0.6B-Base for Apple Silicon.

Converted using mlx-audio with native MXFP4 (Microscaling Float 4-bit, OCP MX Spec).

Benchmark (M2 Ultra 128GB)

Quant	Size	Avg Time (3 runs)
8bit	1.9 GB	8.50s
mxfp4	1.6 GB	7.77s (~8.6% faster)

Audio quality verified: voice cloning works, long German texts direct speech render cleanly.

Conversion

bash

python -m mlx_audio.convert \
  --hf-path Qwen/Qwen3-TTS-12Hz-0.6B-Base \
  --mlx-path ./Qwen3-TTS-0.6B-Base-mxfp4 \
  --quantize \
  --q-mode mxfp4

Usage

python

from mlx_audio.tts.utils import load_model
from mlx_audio.tts.generate import generate_audio

model = load_model("mpe74/Qwen3-TTS-12Hz-0.6B-Base-mxfp4")
generate_audio(
    model=model,
    text="Hello, this is a test.",
    ref_audio="reference.wav",
    temperature=0.3,
    repetition_penalty=1.1,
)

CLI

bash

python -m mlx_audio.tts.generate \
  --model mpe74/Qwen3-TTS-12Hz-0.6B-Base-mxfp4 \
  --text "Dies ist ein Test." \
  --ref_audio reference.wav \
  --ref_text "Transkript der Reference Audio" \
  --temperature 0.3 \
  --repetition_penalty 1.1 \
  --play