Rockville dB11 Owner's Manual
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Rockville dB11 Owner's Manual

Class d mini amplifiers
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Instead, go to vimeo.com/showcase/8353919 (dB10) or
vimeo.com/showcase/8353919 (dB11) , or scan the QR
codes and watch short videos that show you how to set
dB10
these items up and how to use them.
If you prefer written instructions, please read ahead!
With Rockville you get many options.
dB11
Missing items? If you ordered a bundle that includes more than one product and you are missing part of your bundle then it just means your
order shipped from two different warehouses. You will receive the remaining items very soon. If you have any concerns or inquiries, feel free to
call our customer support center at 646-758-0144, Monday through Thursday, 9am to 10pm EST, and Fridays, 9am to 3pm EST.
dB10/dB11
CLASS D MINI AMPLIFIERS
OWNER'S MANUAL
WHO READS MANUALS?

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  • Page 1 CLASS D MINI AMPLIFIERS OWNER’S MANUAL WHO READS MANUALS? Instead, go to vimeo.com/showcase/8353919 (dB10) or vimeo.com/showcase/8353919 (dB11) , or scan the QR codes and watch short videos that show you how to set dB10 these items up and how to use them.

  • Page 2: Important Safety Instructions

    Thank you for purchasing this Rockville dB Mini Series ampli er. Over the years, the technology used to create audio ampli ers has grown by leaps and bounds. Our competition is satis ed with just continuing to build the same units year after year without thought for improvement, but not Rockville. We consider it our mission to use our expertise in developing the latest technologies and to bring you the absolute best sounding ampli ers on the market and of course at a reasonable price.

  • Page 3: Installation Basics

    Before you begin your installation, disconnect the NEGATIVE(-) terminal from your vehicle’s battery. This safety precaution will avoid possible short circuits while wiring your ampli er. Rockville ampli ers operate on 12-volt negative ground systems only. It is recommended that you lay out your sound system design on paper rst. This will help you during the installation so that you have a wiring owchart and do not miss-wire any of your components.
  • Page 4 Wiring 1. Make sure to disconnect the NEGATIVE (-) terminal from your car’s battery. 2. Attach an 8-gauge or heavier wire to the ampli er screw terminal marked GND. The connection should be as close to the amp as possible (20 feet or less). For runs of 20 feet or more, you will need a 4-gauge or heavier wire.
  • Page 5 .59˝ (15mm) .65˝ (16.5mm) .76˝ .76˝ (19.5mm) (19.5mm) USE 16 GAUGE SPEAKER WIRE...
  • Page 6 Settings Adjusting the System 1. Once the system is operational, set all crossover points to the approximate settings. In the case of a basic subwoofer system, set the Low Pass filter crossover at 100Hz or so. Set the Bass EQ to 0dB. Turn the controls using a small flathead screwdriver. Do not apply any pressure while turning as this might break the control unit. 2.
  • Page 7 Sealed Enclosures Sealed boxes are tuned by enclosure volume: larger enclosures tune lower; smaller enclosures tune higher. Subsonic frequencies can cause damage to your woofer as they cause it to play below the enclosure’s tuning, forcing it to the limits of its excursion and making it expend a lot of energy. To avoid damage to your woofer, set the Subsonic HPF to 25Hz – 35Hz. Ported Enclosures The enclosure’s port should be tuned to a certain frequency so that the enclosure is capable of playing all frequencies above that tuning.

  • Page 8: Input Configurations

    Input Configurations RCA Inputs Connect your head unit’s RCA outputs to the amplifier’s Left and Right RCA input jacks. This configuration applies to the dB10 (shown) and the dB11. For best audio performance be sure to use high-quality RCA cables.

  • Page 9: Output Configurations

    Lower impedance loads The dB10 is a 4 ohm stable class D monoblock amplifier. No matter how many woofers you choose to wire to this model, the final impedance should not fall below 4 ohms. will cause overheating and may damage the amplifier.
  • Page 10 Output Configurations (continued) dB11 The dB11 is a 2 ohm stable class D monoblock amplifier. No matter how many woofers you choose to wire to this model, the final impedance should not fall below 2 ohms. Lower impedance loads will cause overheating and may damage the amplifier. Do not mix different impedance speakers in series and /or parallel combinations, as unequal power sharing and acoustic outputs will result.

  • Page 11: Audio Output Section

    Unlike other manufacturers who use a host of different type of transistors, not originally designed for audio output, i.e.: power supply transistors, motor control transistors to produce the audio signal, (You can only imagine what they sound like.) Rockville uses only true audio transistors in the audio section of these amplifiers. These transistors were designed and engineered to produce music.

  • Page 12: Specifications

    Battery Voltage Rockville dB Mini Series amplifiers are rated and regulated to 13.8 volts and below. Increasing voltage to 14.4 volts will increase the power output of the amplifier in the same proportion. Maximum input voltage is 14.4 volts while the minimum voltage is 12 volts.

  • Page 13: Troubleshooting

    Troubleshooting PROBLEM CAUSE/SOLUTION 1. Short circuit protection - Caused by the power or ground wire not being fastened tightly. Amp goes into protect mode Disconnect the speakers from the amp. If the amp is still in protect mode, you now know the issue is some- where with the power, ground, or remote wire.
  • Page 14 PROBLEM CAUSE/SOLUTION 1. The external fuse is not properly secured to the power wire or is not making proper contact to the wire. Amp won’t power on Ensure the fuse is properly seated and making contact. 2. Your external fuse (inside the fuse holder) is blown. Replace the fuse. Never replace the supplied external fuse with one of a larger value.
  • Page 15 PROBLEM CAUSE/SOLUTION RCA signal using a multimeter. Power but no sound 4. The next thing to check is the speaker wire that is going from the amp to the speakers. If the amplifier is in bridged mode, then be sure you connected the speaker wire to the proper terminals. 5.
  • Page 16 PROBLEM CAUSE/SOLUTION Amp is clipping 3. If the gain setting is too high, this can cause the amp to clip. The proper way to set your gain is to turn your receiver volume to 75% of the max, and then slowly turn your gain up. The second you hear any slight distortion, turn it down one notch and leave it at that setting.
  • Page 17 PROBLEM CAUSE/SOLUTION 5. Noise can be picked up due to bad RCA cables. Specially the super cheap ones. We recommend doing a Distortion, background noise, test with different RCA cables. Replace the RCA cables if needed. crackling, or hissing in the 6.
  • Page 18 PROBLEM CAUSE/SOLUTION Amp keeps blowing fuses Distribution Block Amp Fuse - If both sides of the main fuse have power, and one side of the distribution block has power, but the other side of that fuse is dead, then you’re either dealing with a shorted power wire or an internal amplifier fault.
  • Page 19 PROBLEM CAUSE/SOLUTION 1. This situation happens when you connect the remote turn-on wire to a constant 12V power wire (often this Amp or powered sub does is a yellow wire) instead of to the remote turn-on wire of your receiver’s wire harness. Pull out your receiver not turn off when you turn off and plug the amplifier’s remote turn-on wire into the proper remote turn-on terminal of your receiver’s wire the vehicle...
  • Page 20 © 2021 ROCKVILLE // Features and specifications are subject to change and/or improvement without notice. Though we tried our best to ensure that this manual is free and clear of errors please don’t hold us responsible for printing errors.

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