Hertz Dieci Power DP 4.400 - 4-Channel Amplifier
The Hertz Dieci Power DP 4.400 amplifier is an audio powerhouse designed to elevate your car audio experience to unprecedented heights. Boasting High-Resolution Audio Certification, this amplifier delivers an impressive frequency response of 10 Hz to 50 kHz, ensuring that every nuance of your music is faithfully reproduced with crystal-clear precision.
Despite its compact size, the DP 4.400 packs a punch with its maximum power output, featuring fully bridgeable 4-channel Class-AB amplification and 2Ω stability. This innovative design allows for a potent audio performance without sacrificing space, making it an ideal choice for those seeking uncompromised sound in a limited footprint.
Universal compatibility is a key feature of the DP 4.400, offering an operating supply voltage ranging from 9 to 16.5 V and speaker-in input sensitivity from 1.6 to 40 Vrms. The integrated Universal Speaker Simulator enhances versatility, ensuring optimal performance with a wide range of audio sources.
Experience high-noise rejection with the balanced input circuitry of the Pre-in and Speaker-in, allowing for clean and interference-free signal transmission. The full set of controls, including adjustable input levels, high/low-pass crossover filters (50-4000Hz 12dB/Oct.), and bass boost, provides users with the flexibility to fine-tune the audio to their preferences.
Convenience meets intelligence with the Automatic Remote Turn-On/Off feature, seamlessly triggered by OEM radio speaker outputs. This ensures hassle-free operation and an efficient power management system.
Whether utilising Speaker-In or Pre-In level inputs, the DP 4.400 offers full-range pre-outs, providing further flexibility in system configuration. Elevate your car audio system with the Hertz DIECI POWER Amplifier DP 4.400 – where power, precision, and style converge for an unparalleled listening experience on the road.
Product Features
- High-Resolution Audio Certification: Hi-Res Audio certification featuring a frequency response of 10 Hz – 50 kHz.
- Maximum Power in Compact Size: fully bridgeable 4-channel Class-AB 2Ω stable power outputs in a small and compact design.
- Attractive Design: elegant status LED, solid machined terminal block and removable top panel to protect controls and connections.
- Universal Compatibility: operating supply voltage from 9 to 16.5 V and speaker-in input sensitivity from 1.6 to 40 Vrms with integrated Universal Speaker Simulator.
- High-noise rejection: Pre-in and Speaker-in featuring balanced input circuitry.
- Full set of controls: adjustable input levels, high/low-pass crossover filters (50-4000Hz 12dB/Oct.), and bass boost to fine-tune the sound according to your preferences.
- Automatic Remote Turn-On/Off: driven by OEM radio speak
- Full-Range pre-outs: available both when using Speaker-In and Pre-in level inputs.
Technical Specifications
Power Supply
- Nominal power supply voltage (fuse): 11 - 15 VDC (2 x 25 A)
- Operating power supply voltage: 6.5 - 16.5 VDC
- Idling current: 0.85 A
- Standby current draw: 10 uA
- Consumption, MIN load impedance (Max Musical Power): 30 A
- Remote IN: 4 - 15 VDC (1.5 mA)
- ART - Automatic Remote Turn on/off from SPK-IN (BTL radio only): 1.5 VDC
- Efficiency: 60%
Amplifier Stage
- Distortion - THD @ 100 Hz, 70% Rated Power: 0.01%
- Damping factor @ 1 kHz, 1W: 130
- Bandwidth @ -3 dB: 10Hz - 45kHz
- S/N ratio (A-weighted @ 1 V Input): 101 dBA
-
Minimum load impedance:
- @ 4 Ch: 2 Ω
- @ 3 Ch: 2 Ω +2 Ω + 4 Ω
- @ 2 Ch: 4 Ω
- Adjustable Crossovers: yes
Inputs / Filters
- Inputs: Pre-In / Speaker-In
- Pre Out: Full Range - (Front)
- Pre-In Sensitivity: 0.32 - 8 VRMS
- Speaker-In Sensitivity: 1.6 - 40 VRMS
- Front Ch Hi-Pass: Full / 50 - 4000Hz 12dB/Oct.
- Front Ch Lo-Pass: Full / 50 - 4000Hz 12dB/Oct.
- Rear Ch Hi-Pass: Full / 50 - 4000Hz 12dB/Oct.
- Rear Ch Lo-Pass: Full / 50 - 4000Hz 12dB/Oct.
- Bass Boost 50Hz: 0 - 9 dB
Output Power (RMS) @ 1% THD:
- 4Ch @ 4Ω: 75 W x 4
- 4Ch @ 2Ω: 105 W x 4
- 3Ch @ 4Ω: 75 W x 2 + 210 W x 1
- 3Ch @ 2Ω / 4Ω: 105 W x 2 + 210 W x 1
- 2Ch @ 4Ω: 210 W x 2
Output Power (RMS) @ 14.4 VDC, THD 10%:
- 4Ch @ 4Ω: 90 W x 4
- 4Ch @ 2Ω: 125 W x 4
- 3Ch @ 4Ω: 90 W x 2 + 250 W x 1
- 3Ch @ 2Ω / 4Ω 125 W x 2 + 250 W x 1
- 2Ch @ 4Ω: 250 W x 2
Further Information
What is Our Return Policy?
Subject to the below exceptions,Studio Incar LTD is happy to exchange or refund your purchase within 30 days of delivery. Your refund will be credited to the original payment card on the day of request but may take up to 14 working days.
Unwanted goods must be returned in a fully re-saleable condition and any packaging must be intact. We reserve the right to refuse an exchange or full refund if goods are not returned in a re-saleable condition or are damaged. If these conditions are met we will gladly offer a replacement, exchange or refund.
Refunds on promotional goods purchased under a promotional offer will be based on the terms of the promotional price. Our 30 days returns policy is in addition to the standard 14 day returns offered by the Consumer Contact Regulations.
If for any reason you believe your product is defective please notify us immediately on 01489 578951 or via email. If your product is faulty or covered under warranty any carriage costs incurred shipping the goods back will be refunded up to the amount of £10.
Upon receipt of your order you are advised to carefully inspect the package and goods to ensure they are intact and complete, before signing for receipt of delivery. Should you find the parcel to be damaged or incomplete you must refuse delivery of the goods.
Please report any damaged or faulty items to Studio Incar within 24 hours of receipt of the goods and provide any information requested (eg photographs) within 24 hours.
If you have ordered the incorrect part or wish to return an order we will gladly exchange the product free of charge with just the carriage to pay.
How do I Return a Product?
Please follow the instructions below before returning any goods
We require all returned goods (defective, damaged, unwanted or otherwise) to be sent back to us in the original condition they were received in, with all accessories, manuals and the original packaging. Items that are being returned purely because they are no longer wanted should be returned in unopened packaging. Studio Incar retain the right to refuse a refund or charge an appropriate fee for items that are returned without original packaging and/or without accessories and manuals.
Collection Procedure
- In the event of a product failing, your first course of action should be to contact Studio Incar at info@studioincar.co.uk
- Within 6 months of purchase date: Once the fault has been established and deemed impossible to be solved on site, Studio Incar will arrange for collection of the item at cost to the customer. This will be refunded in full if the item is found to be faulty.
- Please note that if the item has a non-warrantable fault the customer will be charge for carriage both ways, parts and labour.
Our Return address is:
Returns
Studio Incar
Unit 23, Mitchell Close
Fareham
PO15 5SE
How do I Cancel an Order?
You may cancel your order (or any part of it) for any reason before dispatch, however, if your order has already been dispatched & is with the courier a restocking fee may apply.
Please email us at info@studioincar.co.uk or call 01489 578951 to cancel an order.
The products we use and sell are of the highest quality and we trust them wholeheartedly, but every now and again a product has a fault that is covered under the manufacturers warranty.
In the event of such an occurance please contact us via email at info@studioincar.co.uk to proceed with the warranty process.
Below is a list of all the Manufacturers warranty timeframes with any special instructions for extended warranties:
Alpine
- 1 Year Standard Manufacturers Warranty
Amphion
5 Years standard Manufacturers Warranty
AudioControl
- 5 Years with Installation by an Authorised Installer (Studio Incar is an Authorised Installer)
- 1 Year if you are doing your own Installation
- 2 Years if you register the product with the UK supplier
AudioLab
- 2 Years standard Manufacturers warranty
Audison
- 1 Year standard Manufacturers warranty
- 2 Years if you register the product with the UK supplier
Auralic
- 90 Days Standard Manufacturers Warranty
- 3 Years Extended Warranty - Product Registration within 30 days of Purchase
Blackvue
- 6 Months standard Manufacturers warranty
Blaupunkt
1 Year standard Manufacturers warranty
Chord Company
- Lifetime Warranty
Cyrus Audio
- 40 series - 5 Years
- XR series - 3 Years
- Classic series - 2 Years
- Turntable - 3 Years
Product Registration Here
Dynaudio
- 2 Years on Car Audio Products - No Extendable Warranty
- 2 Years standard Warranty on Home Audio Products
- up to 8 Years Extendable Warranty on Home Audio Products when you register at Dynaudio
Focal
- 1 Year Standard Manufacturers Warranty
- 2 Years Extended Warranty when registered with Focal
Hegel
- 2 Years Standard Manufacturers Warranty
Hertz
- 1 Year standard Manufacturers warranty
- 2 Years if you register the product with the UK supplier
HiFi Rose
2 Years Standard Manufacturers Warranty
iFi Audio
- 1 Year Standard Manufacturers Warranty
JL Audio
- 1 Year for Speakers and Subwoofers
- 2 Years for Amplifiers and Processors
Luxman
3 Years Standard Manufacturers Warranty
Mission
1 Year Standard Manufacturer Warranty
3 Years Extended Warranty if Registered with Mission
Ortofon
- 1 Year Standard Manufacturers Warranty
Peachtree Audio
- 2 Years Standard Manufacturers Warranty
- 3 Years Extended Warranty if Registered with Peachtree
Pro-Ject
- 2 Years Standard Manufacturers Warranty
- 3 Years Extended Warranty if Registered with Pro-Ject
Q-Acoustics
- 4 Years for Passive Loudspeakers
- 1 Year for Active Loudspeakers / Subwoofers
- 5 Years for Passive Loudspeakers if Registers with Q Acoustics
- 2 Years for Active Loudspeakers / Subwoofers if Registered with Q Acoustics
SolidSteel
- 1 Year Standard Manufacturer Warranty
Sony
- 1 Year Standard Manufacturer Warranty
Wharfedale
- 2 Years Standard Manufacturers Warranty
- 3 Years Extended Warranty if registered with Wharfedale
