Upgrade your vehicle's sound system with DS18’s QHL4. This compact converter is your key to unlocking superior audio quality and seamless integration.

Engineered for those who demand nothing but the best, this 4-channel converter delivers pure, unfiltered sound with seamless integration into any vehicle system, whether OEM or aftermarket. Advanced transformers and cutting-edge noise rejection technology ensure that your audio remains untouched by interference.

Installation is a breeze thanks to its compact, rugged design, complete with a detachable harness and straightforward labeling. Versatility is at its core, effortlessly handling both high-power (up to 100W) and low-power sources, making it the perfect companion for any setup. With built-in speaker simulation, the QHL4 guarantees flawless integration by ensuring your OEM source detects the original speaker load.

The QHL4 doesn’t just stop at superior sound—it’s smart too. The intelligent +12V remote output automatically triggers your amplifiers, with LED indicators for easy monitoring. And with its durable aluminum housing and tear-proof wiring connector, you can trust it’s built to last.

Features:

• Line Output Converter
  
• 4 Channel
  
• Lossless Audio ~ Double Step Down Ratio
  
• Compact ~ Level Matching Controls(High/Low)
  
• Selectable Auto Turn On ~ Remote Out
  
• Noise Rejection ~ Speaker Emulator

Specifications:

• Maximum Speaker Level Input: 50W (Low Power) / 100W (High Power)
  
• Maximum Preamp Output: 2.5V
  
• Nominal Conversion Ratio: 4:1 (Low Power) / 6.5:1 (High Power)
  
• Frequency Response: 15Hz-20KHz
  
• Total Harmonic Distortion: 0.07% (1KHz)
  
• Input Impedance: 6 ohms (Speaker Emulator)
  
• Output Impedance: 600 ohms

Features:

• Speaker Level Input: Yes, 4Ch
  
• Selectable Auto Turn-On: Yes, Audio (3v) / DC (2.5v)
  
• Remote Output: Yes, 12v DC 100mA max
  
• Amplifier Outputs: 4 Channels RCA (FL/FR/RL/RR)
  
• Level Matching Controls: Yes, (Low Power / High Power)
  
• LED Indicators: Yes, ON LED indicator
  
• Housing Material / Color: Aluminum / Black
  
• Wiring Connector: Single Molex
  
• Noise Rejection: Transformers with Galvanic Insulation
  
• Step-Down Method: High-Quality Lossless Transformers

Measurement:

• Overall Length: 3.9" / 99mm
  
• Overall Width: 2.4" / 61mm
  
• Overall Height: 1.1" / 28mm
  
• Gross Single Unit Weight: 0.55 Oz (0.25kg)

Shipping Policy

DBs Car Audio is proud to offer fast & free shipping on all items listed in our store!!

Shipping Methods and Transit Times

DBs Car Audio ships orders from our Kissimmee, Florida location. On occasion, orders will be fulfilled directly by the manufacturer or distributor in order to reduce the shipping time..

Order Tracking

Once an order has been shipped, we send our customers an email with the tracking number for the order. Click on the tracking link in the email to follow the location of the package on the carrier's website. If you did not receive a tracking number by email or need to confirm the tracking information, please contact call us at 1-800-927-9390

Signature Required

Due to the valuable contents of some shipments, DBs Car Audio will only require a signature upon delivery if the order is over $500. Such guidelines will not be overruled upon the customer's request. Please understand that this is a security measure taken by our Company to ensure the safe delivery of each package and guarantee excellent service. Many of our third-party shipping carriers and payment companies require signatures upon delivery to protect against fraud and theft. Customers may request a signature upon delivery by emailing us at dbscaraudiofl@gmail.com.

Shipping Policy Disclaimer

Delivery estimates do not apply to items shipped directly from the manufacturer, nor out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 continental states.

Standard delivery time for domestic customers will average from 2-4 business days, but can take longer in some cases. Saturday, Sunday and national holidays are not considered business days for delivery purposes.

Our Shipping Guarantee applies only to shipments delayed due to our service failure. We will not guarantee shipments that are delayed due to an act of god (ex: weather), a catastrophic event, or failure by our delivery partners. Our guarantee is also voided if incorrect billing or shipping information is given and results in your order being delayed to its destination. Our guarantee is also void if no one is available to sign for shipment when delivery attempt is made if a signature is required.