導入
The MXL AC-404 USB Boundary Condenser Conferencing Microphone is designed to provide clear speech intelligibility for various applications, including web conferencing, court reporting, and house of worship services. Its plug-and-play USB connectivity ensures ease of use. The microphone features three capsules in a surface-mount boundary design, offering a 180-degree pickup pattern and a 25-foot range. This low-profile design allows it to rest discreetly on any flat surface, making it convenient for conference rooms, podiums, courtrooms, and connected classrooms.
製品終了view
主な特徴:
- Outstanding sound quality, even in noisy environments.
- Transforms any location into a conference room.
- Built-in headphone/speaker monitoring jack for direct audio feedback.
- おすすめ web conferencing software like Zoom.
- Durable all-metal construction ensures longevity.
- 180-degree pickup pattern with a 25-foot radius for wide coverage.
- USB connectivity for PC and Mac compatibility.
箱の中身:
- MXL AC-404 USB Boundary Condenser Conferencing Microphone
- 6フィートのUSBケーブル
- Headphone/speaker jack
製品ビジュアル:

図1:側面 view of the MXL AC-404 microphone, showcasing 低プロfile design and integrated cable.

図2:上 view of the MXL AC-404 microphone, highlighting the grille and MXL branding.

図3:背面 view of the MXL AC-404, showing the USB port and headphone/speaker jack.
セットアップガイド
- 配置: Place the MXL AC-404 microphone on a flat, stable surface in the center of your meeting area. Ensure it is within a 25-foot radius of all participants for optimal sound capture. The low-profile design allows for discreet placement.
- コンピュータに接続します: Connect the included 6-foot USB cable to the USB port on the back of the AC-404 microphone and then to an available USB port on your PC or Mac computer.
- ドライバーのインストール: The AC-404 is a plug-and-play device. Your operating system (Windows or macOS) should automatically detect and install the necessary drivers. No manual driver installation is typically required.
- オーディオ出力(オプション): If you wish to monitor the audio directly from the microphone or connect external speakers, plug headphones or speakers into the 3.5mm headphone/speaker jack on the back of the microphone.
- 入力デバイスとして選択: After connecting, open your computer's sound settings or your conferencing software's audio settings. Select the "MXL AC-404" as your primary microphone input device.
- 音量を調整: Adjust the input volume (gain) for the microphone within your computer's sound settings or conferencing software to an appropriate level. Avoid setting it too high, which can cause distortion, or too low, which may result in participants being difficult to hear.
操作手順
The MXL AC-404 is designed for straightforward operation, providing clear audio for group discussions.
- Web 会議: のために web conferencing applications (e.g., Zoom, Skype, Microsoft Teams), ensure the AC-404 is selected as the audio input device in the application's settings. The 180-degree pickup pattern allows multiple participants around the microphone to be heard clearly and naturally.
- 録音: When using the AC-404 for recording, select it as the input device in your recording software. The headphone/speaker jack can be used as a recording output for monitoring purposes.
- 最適なパフォーマンス: For best results, ensure there are no obstructions between the microphone and the speakers. Minimize background noise in the environment to enhance speech clarity.
製品ビデオ終了view:
ビデオ1: オーバーview of the MXL AC-404 USB Boundary Microphone, demonstrating its features and applications in a conferencing environment.
メンテナンス
- クリーニング: マイクの外側は、柔らかく乾いた布で拭いてください。液体クリーナーや溶剤は、表面や内部部品を傷める可能性があるため、使用しないでください。
- ストレージ: 使用していないときは、マイクを清潔で乾燥した場所に保管し、極端な温度や湿度を避けてください。
- ケーブルのお手入れ: 損傷を防ぐため、USB ケーブルを過度に曲げたり、圧迫したりしないでください。
トラブルシューティング
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| No sound input from microphone. |
|
|
| 音声が歪んだり不明瞭になったりします。 |
|
|
| Headphone/speaker jack not working. |
|
|
仕様
| ブランド | MXL の |
| モデル名 | AC-404 |
| 接続技術 | USB |
| コネクタタイプ | USB |
| 特集 | Stand (implied by boundary design) |
| 対応デバイス | ヘッドホン、パソコン、スピーカー |
| 色 | 黒 |
| 極性パターン | Wide Cardioid (180-degree pickup) |
| マイクフォームファクター | Microphone Only (Boundary) |
| 電源 | USB |
| 信号対ノイズ比 | 78デシベル |
| ハードウェアプラットフォーム | PC |
| チャンネル数 | 1 |
| 周波数応答 | 16 kHz |
| 周波数範囲 | 20 kHz |
| エンクロージャ材質 | 金属 |
| アイテム重量 | 0.2キログラム |
| 商品の寸法 (長さ x 幅 x 高さ) | 4.3 x 2.95 x 2インチ |
保証とサポート
The MXL AC-404 USB Boundary Condenser Conferencing Microphone comes with a 1年間保証. Potential warranty extension may be available upon product registration on the official MXL webサイト。
For technical support, product registration, or further information, please visit the official MXL webサイト: www.mxlmics.com.