
HZ10
10″ Touch On-Wall Amplifier
Android 11 • 10″ Touch • 8 Channels • 2 Zones

4-Channel Bluetooth Wall Amplifier
Android 10 • 4″ Touch • 4 × 25 W • 2 Zones
The A4Z is a 4-channel Bluetooth in-wall amplifier with Android, built for background music in high-end homes, villas, clubs and hotels. A 4″ touch screen gives direct access to local music, Bluetooth, streaming and the audio input, while two independent zones each have their own volume, treble and bass.
| Model | A4Z |
|---|---|
| Description | 4-Channel Bluetooth Wall Amplifier |
| Output Power | 4 × 25 W (max.) |
| Load Impedance | 4–8 Ω |
| Signal-to-Noise Ratio | ≥ 98 dB |
| Zones | 2, individual volume / treble / bass |
| Operating System | Android 10 |
| CPU / RAM / Storage | 1.2 GHz quad-core / 2 GB / 16 GB |
| Display | 4″ IPS touch, 480 × 480 |
| Bluetooth | 5.0, range 10 m |
| Wi-Fi | 2.4 GHz, range 20 m |
| Network | Ethernet RJ-45 |
| IR Remote Range | 10 m |
| Audio Input / Output | 1 / 1 (+ 3.5 mm out) |
| Media | TF card, USB, local |
| Power Supply | AC 110–250 V, 50/60 Hz |
| Product Size | 86 × 86 × 40 mm |
| Back Box Size | 86 × 86 × 50 mm |



The in-wall amplifier shall be a 4-channel unit with a built-in amplifier of 4 × 25 W (max.) into 4–8 Ω, with a signal-to-noise ratio of at least 98 dB. It shall run Android 10 on a 1.2 GHz quad-core CPU with 2 GB RAM and 16 GB storage, with a 4″ 480 × 480 IPS multi-touch screen. It shall provide two zones with individual volume, treble and bass control, Bluetooth 5.0, DLNA / AirPlay / QPlay streaming, 2.4 GHz Wi-Fi, Ethernet, TF card and USB playback, one audio input and one audio output, and control by IR remote and mobile app. It shall operate from AC 110–250 V and measure 86 × 86 × 40 mm, fitting an 86 × 86 × 50 mm back box.