pengenalan
This manual provides detailed instructions for the installation, operation, and maintenance of the C2G Legrand 40881 50W Audio Amppengikat. ini amplifier is designed to support distributed audio systems in various environments, including classrooms and conference rooms, and is suitable for plenum space installations. It delivers 50 watts of power (25 watts per channel) and adheres to industry-standard 25/70 volt designs.
Produk Selesaiview
The C2G 40881 Audio Amplifier offers robust features for versatile audio integration:
- Audio Amppemberitahuan: Amplifies dynamic microphone or stereo audio signals, providing 25 watts of power per channel (50W total) to a sound reinforcement system.
- Input Versatility: Accepts 3.5mm stereo audio, RCA stereo audio, and 3.5mm microphone inputs.
- Mixing Function: Automatically mixes audio from all three inputs (3.5mm, RCA, microphone) and sends the combined signal to the speaker outputs.
- Pilihan Kawalan: Supports RS232 control or signals from an industry-standard volume control.
- Public Address (PA) Sensor: Automatically mutes audio inputs when a public address signal is detected, ensuring clear announcements.
- Accessory Power Output: Provides 12 Volts DC and 500mA, suitable for powering compatible controllers like the TruLink A/V controller.
- Reka bentuk tahan lasak: Features a built-in mounting bracket for secure installation.
Apa yang ada dalam Kotak
- C2G 40881 50W Audio Amplebih hidup
- Penyesuai AC
- Kord Kuasa AC
- Mounting Ears (2)
- 9-pin Captive Screw Plugs (2)
- Manual Pengguna (dokumen ini)

Imej 1: Depan view of the C2G 40881 Audio Amplifier, showing power indicator, output indicator, and adjustable knobs for RCA, 3.5mm, and Mic In levels.

Imej 2: Belakang view of the C2G 40881 Audio Amplifier, displaying 3.5mm input, RCA input, balance mic input, page sensitivity switch, L/MONO switch, speaker outputs, DC out, DC in, volume, RS232, and PA in terminals.

Image 3: Included accessories: AC adapter, AC power cord, two mounting ears, and two 9-pin captive screw plugs for terminal connections.
Persediaan
- Buka Pembungkusan Komponen: Carefully remove all items from the packaging and verify that all components listed in "What's in the Box" are present.
- Pemasangan (Pilihan): If permanent installation is desired, use the provided mounting ears to secure the amplifier in a suitable location. Ensure adequate ventilation around the unit.
- Sambungkan Pembesar Suara: Connect your 25V or 70V speakers to the "SPEAKER OUTPUTS" terminals on the rear of the amplifier using appropriate speaker wire. Ensure correct polarity (+ to + and - to -). The amplifier provides 25 watts per channel.
- Sambungkan Sumber Audio:
- For stereo audio, connect your source (e.g., media player, computer) to the INPUT RCA atau yang 3.5mm INPUT pada panel belakang.
- For a dynamic microphone, connect it to the BALANCE MIC IN 3.5mm input on the rear panel.
- Sambungkan Alat Kawalan Jauh (Pilihan):
- If using an RS232 control system, connect the control cable to the RS232 blok terminal.
- If using a standard volume control, connect it to the JILID blok terminal.
- Connect PA System (Optional): If integrating with a public address system, connect the PA signal to the PA IN blok terminal.
- Sambungan Kuasa: Connect the AC adapter to the "DC IN" port on the amplifier and then plug the AC power cord into a standard electrical outlet. The ampliifier akan dihidupkan.
Penting: Ensure all connections are secure before powering on the unit. Refer to the wiring diagrams for specific terminal block connections if available in supplementary documentation.
Arahan Operasi
- Hidupkan/Mati Kuasa: The amplifier powers on automatically when connected to an electrical outlet. There is no physical power button on the unit itself.
- Melaraskan Tahap Input: Use the dedicated knobs on the front panel to adjust the input levels for RCA, 3.5mm, and MIC IN sources.
- RCA: Adjusts the volume for the RCA stereo input.
- 3.5mm: Adjusts the volume for the 3.5mm stereo input.
- MIC DALAM: Adjusts the volume for the microphone input.
Nota: The amplifier's mixing function combines all active input signals. Adjust individual levels to achieve the desired audio balance.
- Kawalan Kelantangan Output: The overall output volume can be controlled via the connected remote wired wall plate controller or RS232 system, if installed.
- Page Sensitivity: The "PAGE SENSITIVITY" switch on the rear panel adjusts the sensitivity of the PA sensor. This determines how readily the amplifier mutes other audio when a public address signal is present. Adjust as needed for your PA system.
- Suis Mono/Stereo: The "L/MONO" switch on the rear panel allows you to select between stereo output or a summed mono output.
Penyelenggaraan
- Pembersihan: Disconnect power before cleaning. Use a soft, dry cloth to wipe the exterior of the amplifier. Do not use liquid cleaners or aerosols, as they may damage the unit.
- Pengudaraan: Memastikan bahawa amplifier's ventilation openings are not blocked. Proper airflow is essential to prevent overheating.
- Pengurusan Kabel: Periksa semua sambungan kabel secara berkala untuk memastikan ia selamat dan bebas daripada kerosakan.
- Storan: Jika menyimpan amplifier for an extended period, disconnect it from power and store it in a cool, dry place away from direct sunlight and extreme temperatures.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada kuasa untuk amplebih hidup. | Kord kuasa tidak disambungkan dengan selamat. Soket kuasa tidak aktif. | Ensure the AC adapter and power cord are firmly plugged into the amplifier and a working electrical outlet. Test the outlet with another device. |
| Tiada keluaran bunyi. | Sambungan pembesar suara yang salah. Input source not connected or active. Input level knobs set too low. Remote volume control set to minimum or muted. PA sensor active. | Verify speaker wiring and polarity. Confirm audio source is connected and playing. Increase RCA, 3.5mm, and MIC IN level knobs. Check remote volume control settings. Check PA IN connection and page sensitivity. |
| Kualiti bunyi yang herot atau lemah. | Tahap input terlalu tinggi (pengguntingan). Sambungan kabel longgar. Ketidakpadanan impedans pembesar suara. | Reduce input level knobs. Periksa semua sambungan kabel audio dan pembesar suara. Ensure speakers are compatible with 25V/70V output. |
| PA system not muting audio. | PA IN not connected correctly. Page sensitivity set too low. | Verify PA IN wiring. Adjust the "PAGE SENSITIVITY" switch on the rear panel. |
Spesifikasi
| Nombor Model | 40881 |
| Kuasa Keluaran | 50W (25W per channel) |
| Keluaran Voltage | 25V / 70V (boleh dipilih) |
| Input | 3.5mm Stereo Audio, RCA Stereo Audio, 3.5mm Microphone |
| Kawal Antaramuka | RS232, Wired Wall Plate Controller (Volume) |
| Output Kuasa Aksesori | 12V DC, 500mA |
| Dimensi Produk | 9.75 x 8.75 x 3 inci |
| Berat Barang | 1.6 auns |
| Pengeluar | Cables To Go (C2G) |
| Patuh TAA | ya |
Waranti dan Sokongan
The C2G 40881 Audio Amplifier is thoroughly inspected and tested to ensure quality and comes with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official C2G webtapak.
For technical support, troubleshooting assistance, or warranty claims, please contact C2G customer service. Contact information can typically be found on the C2G webtapak atau dalam pembungkusan produk anda.
Sumber Dalam Talian: Untuk maklumat dan sokongan tambahan, anda boleh layari C2G Store on Amazon.





