Wall-Mounted IP Terminal with 4.3" Touch Screen
4.3" TFT Display • 2x30W Digital Amplifier • USB/SD Playback • Bluetooth • 2.4G Wireless Mic Optional • Infrared Remote
T-7705A
Versatile wall-mount audio center for classrooms and offices. The T-7705A combines a 4.3" TFT touch display, 2x30W digital amplifier, and comprehensive media playback in a sleek wall-mounted unit. Ideal for classrooms, meeting rooms, and small venues requiring local control of IP audio, background music, and microphone input. Optional 2.4G wireless microphone for teacher/presenter use.
| Model Number | T-7705A |
| Product Type | Wall-Mounted IP Terminal / Network Audio Player |
| Display | 4.3-inch TFT Color LCD |
| Resolution | 480 x 272 pixels |
| Amplifier Output | 2 x 30W (stereo) @ 4-8Ω |
| Network | 10/100Mbps Ethernet (RJ45) |
| Audio Protocols | TCP/IP, UDP, HTTP, RTP, RTSP |
| Audio Codecs | MP3, WAV, PCM, AAC |
| Media Playback | USB 2.0, SD Card (MP3/WAV) |
| Wireless | Bluetooth 4.0 (audio streaming) |
| Wireless Mic Option | 2.4GHz (external receiver, optional) |
| Audio Inputs | 1 x MIC (3.5mm), 1 x AUX (RCA) |
| Remote Control | Infrared (included) |
| Frequency Response | 80Hz – 18kHz (±3dB) |
| THD+N | < 0.1% (1kHz, 10W) |
| S/N Ratio | > 85dB |
| Power Supply | PoE (IEEE 802.3af) or DC 24V |
| Power Consumption | ≤ 15W (without speakers) |
| Mounting | Wall mount (included), 86x86mm back box compatible |
| Dimensions (WxHxD) | 180 x 120 x 45 mm |
| Weight | 1.2 kg |
| Operating Temperature | 0°C – 40°C |
| Humidity | 10% – 90% non-condensing |
| Color | White / Black (optional) |
| Certifications | CE, FCC, RoHS |
The T-7705A features built-in Bluetooth 4.0 for wireless audio streaming from smartphones, tablets, or laptops. Ideal for background music, guest presentations, or temporary audio sources without network configuration.
The T-7705A is a wall-mounted IP network terminal that serves as a complete audio center for classrooms, meeting rooms, and small commercial spaces. It combines a 4.3-inch TFT touch display, 2x30W stereo amplifier, and multiple media sources in a compact, wall-mountable enclosure.
Local Control & Display: The 4.3" color TFT screen provides intuitive access to volume, source selection, track information, and system status. Users can browse USB/SD content, adjust EQ, and control playback directly from the wall unit.
Built-in Stereo Amplifier: With 2x30W of digital amplification, the T-7705A can directly drive a pair of passive speakers (4-8Ω) for local audio in classrooms, break rooms, or small offices. No external amplifier required.
Multiple Audio Sources: The unit supports network streaming from the T-7700 server, local USB/SD playback, Bluetooth streaming from mobile devices, and external MIC/AUX inputs. Perfect for hybrid use cases: background music from server, guest presenter connects via Bluetooth, teacher uses wireless mic.
2.4G Wireless Microphone Option: An optional 2.4GHz wireless microphone system (receiver plugs into MIC input) enables hands-free presentation for teachers, trainers, or tour guides. The microphone automatically prioritizes over other sources.
Color touch screen for intuitive control. Shows zone, volume, source, track info, and network status. User-friendly interface.
Built-in stereo amplification drives passive speakers directly. Perfect for classrooms and small rooms without external amps.
Front-panel USB and SD card slots for local media playback. Play MP3/WAV files directly – ideal for backup or local music.
Optional wireless microphone system for teachers, presenters, or tour guides. Automatic priority over other sources.
The T-7705A supports an optional 2.4GHz wireless microphone system. A USB dongle receiver plugs into the rear USB port, and the handheld or headset microphone provides hands-free operation.
Optional 2.4G wireless mic
Handheld or headset
• EQ: 5 preset EQs plus 5-band custom EQ • Loudness: Contour control for low-volume listening • Balance: L/R channel balance adjustment • Priority: MIC input priority over network/Bluetooth (configurable) • Delay: 0-50ms audio delay for lip-sync correction
| Model | Display | Amplifier | Media | Wireless | Special Features | Best For |
|---|---|---|---|---|---|---|
| T-7705A | 4.3" TFT touch | 2x30W | USB/SD | Bluetooth, 2.4G mic opt | Full-featured | Classrooms, meeting rooms |
| T-7705S/B | 3.4" LCD | 2x20-30W | MP3 (USB) | 2.4G mic option | 100V backup input | Economic installations |
| T-7705AC | No display | 2x20W | No | No | RS-232/485, relays | Control system integration |
The T-7705A provides 2x30W amplifier output (stereo). Ensure connected speakers have appropriate power rating (10W-40W recommended). For larger spaces, use the line output to connect an external amplifier.
To pair a Bluetooth device, select Bluetooth source on the T-7705A touch screen. The unit appears as "T-7705A" on your device. Pairing is persistent – reconnects automatically when in range. Range: up to 15m.
Server → Switch (PoE) → T-7705A (wall-mounted) → 2x 30W ceiling speakers
Teacher uses optional 2.4G wireless mic for hands-free instruction. USB drive with lesson audio. Bluetooth for guest presenter laptop. Network provides school announcements and bell scheduling.