Ngwaahịa gafereview
The HW HAOWORKS S278UHF is a professional portable voice amplifier designed to project your voice clearly and loudly. It features both wireless and wired headset microphone options, Bluetooth 5.0 connectivity, AUX input, TF/USB card support, and recording capabilities. Its compact and lightweight design makes it suitable for various applications, including teaching, presentations, training, and public speaking.
Image: The HW HAOWORKS S278UHF Portable Voice Amplifier unit shown with both wireless and wired headset microphones.
Ihe ngwugwu
Chọpụta na ihe niile dị na ngwugwu gị:
- Olu AmpNgalaba na-ebuli elu
- Igwe okwu ekweisi ikuku
- Wired Headset Microphone
- Adjustable Belt/Strap
- 2-na-1 USB nchaji
- eriri AUX
- 5V Charger (Power Adapter)
- Akwụkwọ ntuziaka (akwụkwọ a)
Image: A visual representation of all items included in the product package, including the amplifier, two microphones, cables, charger, and strap.
Ntuziaka nhazi
1. Ịchaji ngwaọrụ
Before initial use, fully charge the voice amplifier unit and the wireless headset microphone. Use the provided 2-in-1 USB cable and 5V charger.
- Connect the USB cable to the charging port on the amplifier and the wireless microphone.
- Plug the 5V charger into a power outlet.
- Charging time: Approximately 3-5 hours for a full charge.
- Ndụ batrị: Amplifier lasts 10-12 hours; Wireless headset lasts 3-5 hours.
Image: The voice amplifier unit displaying battery information, indicating a 2500mAh battery for 10-12 hours of use and a 550mAh battery for the wireless microphone for 3-5 hours of use.
2. Connecting the Wireless Headset Microphone
- Gbanwuo ọkà okwu: Slide the ON/OFF switch on the amplifier to the 'ON' position. The display will show the battery level.
- Switch to UHF mode: Short press the "M" key on the amplifier to cycle through modes until "UHF" is displayed.
- Activate pairing mode on ampntughari: Long press the "M" key on the amplifier for approximately 3 seconds. The amplifier will announce "UHF waiting for connection".
- Turn on the headset microphone: Slide the ON/OFF switch on the wireless headset microphone. A blue indicator light will illuminate.
- Activate pairing mode on microphone: Long press the "WIFI" signal button on the wireless headset microphone for 3 seconds. The blue light will flash rapidly.
- Confirm connection: Once successfully paired, the amplifier will announce "UHF is connected" and the blue light on the microphone will stop flashing and remain solid.
Video: Demonstrates the step-by-step process of connecting the wireless headset microphone to the voice ampihe na -ewepụta ihe.
3. Connecting the Wired Headset Microphone
To use the wired headset microphone, simply plug its 3.5mm jack into the "MIC" input port on the voice ampunit nke lifier. Nke amplifier will automatically switch to wired microphone mode.
Ntuziaka ọrụ
1. Gbanyụọ / gbanyụọ na njikwa olu
- Gbanyụọ/ Gbanyụọ: Use the ON/OFF switch/volume knob on the side of the ampihe na -ewepụta ihe.
- Ndozi olu: Rotate the ON/OFF switch/volume knob to adjust the main speaker volume. For the wireless microphone, use the '+' and '-' buttons on the microphone unit for fine-tuning.
Image: Close-up of the voice amplifier's side panel, highlighting the AUX input, Mic input, DC 5V charging port, and the combined ON/OFF switch and volume control knob.
2. Nhọrọ mode
Short press the "M" button on the amplifier unit to cycle through available modes: Bluetooth, UHF (Wireless Microphone), AUX, TF Card, and USB input.
3. Njikọ Bluetooth
Na ọnọdụ Bluetooth, a amplifier will announce "Bluetooth is waiting for connection". Enable Bluetooth on your device (e.g., smartphone, tablet) and select "S278UHF" from the list of available devices to pair. Once connected, you can play audio through the ampna -emegharị ihe.
4. ntinye AUX
Connect an external audio source (e.g., MP3 player, computer) to the "AUX" port on the amplifier using the provided AUX cable. The amplifier will automatically switch to AUX mode.
5. TF Card / USB Input
Insert a TF (Micro SD) card or a USB flash drive into the respective slots on the amplifier. The device will automatically detect and play audio files from the storage device. Use the playback control buttons (previous, play/pause, next) on the amplifier to manage audio playback.
6. Ọrụ ndekọ
To record audio, ensure a TF card or USB flash drive is inserted. In microphone mode, press the record button (often indicated by a microphone icon or 'REC' on the control panel, if available, or a long press of the play/pause button in some models) to start recording. Press again to stop. Recorded files will be saved to the inserted storage device.
Nlekọta
- Nhicha: Jiri akwa dị nro ma kpọọ nkụ hichaa ya amplifier and microphones. Avoid using liquid cleaners or abrasive materials.
- Nchekwa: Chekwaa ngwaọrụ ahụ n'ebe dị jụụ, kpọrọ nkụ na-adịghị na ìhè anyanwụ kpọmkwem na oke okpomọkụ.
- Nlekọta batrị: Iji mee ka batrị dị ogologo, zere ịgbapụ ngwa ahụ mgbe niile. Chajie ya mgbe niile, ọbụlagodi na ọ naghị eji ya ruo ogologo oge.
- Ijikwa: Handle the device and microphones with care to prevent physical damage.
Nchọpụta nsogbu
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Enweghị ụda si ampna -emegharị ihe | Device is off; Volume is too low; Microphone not connected/paired; Low battery. | Turn on the device; Increase volume; Connect/pair microphone correctly; Charge the device. |
| Feedback/Screeching sound | Microphone too close to the speaker; Volume too high; Microphone pointing away from mouth. | Increase distance between microphone and speaker; Lower volume; Position microphone 2-3 cm from mouth, pointing towards it. |
| Wireless microphone not connecting | Not in UHF mode; Pairing process not followed correctly; Low battery. | Gbaa mbọ hụ amplifier is in UHF mode; Repeat pairing steps carefully; Charge microphone. |
| Audio playback issues (Bluetooth/AUX/TF/USB) | Incorrect mode selected; Device not paired (Bluetooth); Cable not fully inserted (AUX); Corrupt files (TF/USB). | Select correct mode; Re-pair Bluetooth; Check cable connection; Try different audio files ma ọ bụ ngwaọrụ nchekwa. |
| Ngwaọrụ anaghị akwụ ụgwọ | Charging cable/adapter faulty; Port damaged. | Try a different charging cable/adapter; Contact customer support if ports appear damaged. |
Image: Guidelines for avoiding microphone feedback, including keeping the microphone away from the speaker, not turning the volume too high, and positioning the microphone correctly.
Nkọwapụta
| Njirimara | Nkọwa |
|---|---|
| Nọmba nlereanya | S278UHF |
| Ụdị | HỤ HAOWORKS |
| Mpụta ike | 15 Watt |
| Teknụzụ Njikọta | Bluetooth 5.0, AUX, USB |
| Ụdị igwe okwu ikuku | UHF (Ultra High Frequency) |
| Amplifier Battery Life | 10-12 awa |
| Wireless Mic Battery Life | 3-5 awa |
| Akụkụ (L x W x H) | 4.17 x 3.4 x 1.4 sentimita asatọ |
| Ibu Ibu | 0.44 n'arọ |
| Ihe onwunwe | Acrylonitrile Butadiene Styrene (ABS) |
| Ntinye ọdịyo | Microphone, AUX, TF Card, USB |
| Onye nrụpụta | SHIDU |
Akwụkwọ ikike na nkwado
HW HAOWORKS provides lifetime technical support for their voice amplifiers. If you encounter any questions or issues, please feel free to contact their customer service for assistance. They are committed to providing a satisfactory solution within 24 hours.