FAQ
Câu hỏi thường gặp theo sản phẩm và tình huống lắp đặt.
How many channels does FED-20A — 8" Active Subwoofer with Dual Passive Radiators have?
Không áp dụng (Subwoofer không có khái niệm kênh khuếch đại như DSP/Amplifier đa kênh)
consumer · FED-20A · Subwoofer
What is the maximum power output?
Max Power: 240W | Nom Power: 120W (built-in Class AB Amplifier)
consumer · FED-20A · Subwoofer
What is the THD (Total Harmonic Distortion)?
Pending Verification
consumer · FED-20A · Subwoofer
Does it support plug-and-play installation?
Bán Plug & Play (có sẵn ampli Class AB/D tích hợp, chỉ cần cấp nguồn + tín hiệu Hi/Low-level, không cần Amplifier ngoài)
consumer · FED-20A · Subwoofer
What is the price of FED-20A — 8" Active Subwoofer with Dual Passive Radiators?
PENDING VERIFICATION — pricing intentionally not published in this content pass.
consumer · FED-20A · Subwoofer
What are the physical dimensions?
(224+270) x 255 x 245 mm (LxWxH, công bố chính thức)
installation · FED-20A · Subwoofer
How much does it weigh?
6.25 kg (Net Weight, công bố chính thức)
installation · FED-20A · Subwoofer
What is the mounting type?
Pending Verification
installation · FED-20A · Subwoofer
What is the power consumption / voltage requirement?
Cấu tạo & đặc tính khác (built-in Class AB Amplifier): Sensitivity (2.83V/1M) 80 dB | Cone: Composite Paper Cone | Active Subwoofer: 8" | Passive Subwoofer (radiator): 6.5" x2 | Low Pass Filter: 50-200 Hz | Fuse Rating: 30A
installation · FED-20A · Subwoofer
What input types are supported?
Hi-Level Input & Low-Level Input (RCA) — tích hợp sẵn Amplifier Class AB/D bên trong, không thuộc Enum DSP gốc trong Master Schema
installation · FED-20A · Subwoofer
What is the installation difficulty rating?
Pending Verification
installation · FED-20A · Subwoofer
What is the dealer visibility scope for this SKU?
Tất cả Dealer (mặc định, chưa giới hạn)
dealer · FED-20A · Subwoofer
Is dealer training required to sell this SKU?
false (mặc định, chưa xác nhận)
dealer · FED-20A · Subwoofer
Is installation certification required?
false (mặc định, chưa xác nhận)
dealer · FED-20A · Subwoofer
What is the current stock status?
Pending Verification (cần dữ liệu tồn kho thực tế từ Dealer/Kho)
dealer · FED-20A · Subwoofer
Are there dealer-specific notes for this SKU?
Pending Verification
dealer · FED-20A · Subwoofer
What is the warranty period?
Pending Verification (chưa công bố trên trang sản phẩm)
warranty · FED-20A · Subwoofer
What certifications does this product carry?
Pending Verification (CE/RoHS không được công bố trên trang sản phẩm)
warranty · FED-20A · Subwoofer
What does the warranty cover?
PENDING VERIFICATION — warranty terms/coverage document not on file for this SKU.
warranty · FED-20A · Subwoofer
How does a customer file a warranty claim?
PENDING VERIFICATION — no verified warranty-claim process documented for this SKU yet.
warranty · FED-20A · Subwoofer
How many channels does FED-20B — 8" Car Active Subwoofer Enclosure have?
Không áp dụng (Subwoofer không có khái niệm kênh khuếch đại như DSP/Amplifier đa kênh)
consumer · FED-20B · Subwoofer
What is the maximum power output?
Max Power: 300W | Nom Power: 150W (built-in Class AB Amplifier)
consumer · FED-20B · Subwoofer
What is the THD (Total Harmonic Distortion)?
Pending Verification
consumer · FED-20B · Subwoofer
Does it support plug-and-play installation?
Bán Plug & Play (có sẵn ampli Class AB/D tích hợp, chỉ cần cấp nguồn + tín hiệu Hi/Low-level, không cần Amplifier ngoài)
consumer · FED-20B · Subwoofer
What is the price of FED-20B — 8" Car Active Subwoofer Enclosure?
PENDING VERIFICATION — pricing intentionally not published in this content pass.
consumer · FED-20B · Subwoofer
What are the physical dimensions?
435 x 285 x 245 mm (LxWxH, công bố chính thức)
installation · FED-20B · Subwoofer
How much does it weigh?
10.3 kg (Net Weight, công bố chính thức)
installation · FED-20B · Subwoofer
What is the mounting type?
Pending Verification
installation · FED-20B · Subwoofer
What is the power consumption / voltage requirement?
Cấu tạo & đặc tính khác (built-in Class AB Amplifier): Sensitivity 82 dB | Cone: Paper Cone | Surround: Foam Rubber Surround | Voice Coil: 35.5mm | Magnet: Ferrite
installation · FED-20B · Subwoofer
What input types are supported?
Hi-Level Input & Low-Level Input (RCA) — tích hợp sẵn Amplifier Class AB/D bên trong, không thuộc Enum DSP gốc trong Master Schema
installation · FED-20B · Subwoofer