Ultra-low frequency unit subwoofer speaker parts SUB18

Features of Subwoofer Speaker

SUB18 is efficient ultra-low frequency speaker which is the perfect optional ultra-low frequency device for two-frequency speaker. 

Ultra-low frequency unit is a precise 18 inches high-power bass unit with 4 inches inside/outside double voice coil,

which can minimize power compression of the threshold point and prolong the working life of the speaker unit.

Technical Parameters of Subwoofer Speaker

FAQ:

Q1.Why us?

A.We specialize in R&D and manufacture of high-performance professional DSP audio products,such as professional audio processors,karaoke processors,professional amplifiers,karaoke amplifiers,power supply sequencer,power amplifier modules,mixer,equalizer,feedback exterminator and so on,with highly quality and competitive prices.

Q2.What’s your payment term?

A. We accept T/T,30% deposit at first and 70% balance needs to be paid before shipping.

Q3. How long is the delivery time?

A. Usually 25-35days for production. 1 day for sample delivery if it’s available in stock.

Q4. What’s your standard package?

A.Bubble wrap packaging inside and carton packaging outside.

Q5. How long is your product warranty?

A. 2years.

Q6. Could you do OEM/ODM for customers?

A. Yes,from the product design to packaging,our engineers can design exactly as your requirements.Any kind of logo printing or design is available ,If your order quantity is good .

Q7. What kind of certificates do you have ?

A.Our company has been awarded 3C, CQC, ISO,CE and ROHS.