Professional installers will take care of this decision for you – measuring and selecting (or building) a suitable sub box on your behalf – but if you want to bring your own, or install one yourself, first measure your available space before buying anything. Bluejeans cable are among the most robust designs money can buy, have excellent Canare terminations, and are a great value. Crawling for bass is a viable option for those in more oddly shaped rooms. Just make sure you're comparing numbers at the same impedance. The RDS information that you want does not appear (for European and Asia-Pacific models only). But just because you want multiple subs, doesn't mean you need multiple amps – a big 1000W amp will be able to power two 500W subs – just as long as you wire them correctly. What we can't do is guide you step-by-step on how to install it all – there is a lot of work involved, including removing interior panels and carpet, wiring up fuses and grounds, running new power and speaker cables, mounting the amp and sub, and then tuning it all so that it sounds schmick. Position the SPL meter with a tripod or other device to ensure the microphone is in the upright position firing at the ceiling about seated ear level at the primary listening position. So, if you have a 500W subwoofer, you're better off going for a 550W amp over a 450W or 500W one. It's a good idea to measure the SPL at least two locations and calibrate your main channels with respect to your sub to within few dB of each other to ensure they are more closely level matched for your listening area. Join our Exclusive Audioholics E-Book Membership Program! Next, connect the other end of the cable to the RCA level connector marked “LFE input” or “mono input” of your subwoofer. If space is a concern, there are smaller amplifiers available for tight installs, but they cost a little more due to the extra engineering required to create such a product. Enclosures can come in almost any size, but really only three types: sealed, ported, or bandpass. Additionally, if you've chucked in for a mondo-mega 500W bass box, it doesn't really make much sense to have your speakers competing with only 17w of power. We have written many articles broaching the topic, offering common placement suggestions. Simply run a good unbalanced COAX or shielded twisted pair cable between your A/V receiver and subwoofer. Go into its bass management menu and set all speakers to "Small" and the crossover frequency to 80Hz. To power the sub, you'll want an amp with at least as much power output as the RMS (not 'peak' or 'maximum') power rating of the driver. This lightens the load on both the speakers and the amplifier, and allows your speakers to go a bit louder before they distort. Your subwoofer is properly placed and setup. Having enough drive level is rarely an issue with today’s modern A/V receiver so in most cases, we recommend using the single connection. If MultEQ reports high negative trims (e.g., –12 dB) for the subwoofer, then you should turn the level control further down and run MultEQ again If there is a Phase control on the sub it should be set to 0° No image is output from the TV screen when the receiver is in standby mode. subwoofer when listening to two channel sources even if you have the When the language for the on-screen display of the TV is changed, the on-screen display language of the receiver is changed simultaneously. Don't forget to setup the bass management in your A/V receiver. Remember you’re not a dummy for wanting to set things up right and asking questions. Now it's time to level match it to the rest of your speakers so it blends in seamlessly without drawing attention to itself. Adjusts the volume level for the Subwoofer 1 and Subwoofer 2. It certainly beats the alternative of owning nice equipment that doesn’t sound good because of bad or improper setup. It's also paramount that you heed any ventilation requirements when measuring up the size of your mounting space. Failing to disable your sub's internal crossover can cause excessive losses in the subwoofers passband thus degrading the sound quality when used in conjunction with your A/V receiver's bass management facilities. We recommend placing chairs at least 1/4L of the room away from the back wall. Try before you buy. Now it's time to start selecting components for your new system! Cheaper amps may come with something as simple as a 'bass boost' on/off switch, or nothing at all. If you prefer to not manually calibrate and instead wish to rely on your receiver's auto calibration process, follow the manufacturer's instructions on how to perform this task. Does the system sound well balanced? Most auto setup programs are pretty accurate at setting distance and levels for each channel. A test tone is output from a different speaker than the speaker displayed on the display panel. The receiver is turned off automatically. Make sure there is plenty of slack as the cable should never be under tension when it's connected to equipment on both ends else you risk damaging the cable and connected products. Confused about what AV Gear to buy or how to set it up? This is the single most important factor when getting ready to setup your subwoofer. Gene manages this organization, establishes relations with manufacturers and keeps Audioholics a well oiled machine. All Rights Reserved. You may also see the 'class' of an amplifier mentioned on its spec sheet. Dolby Digital or DTS multi-channel sound is not reproduced. Bass Management Basics - Settings Made Simple. If latter, return it. We typically recommend Bluejeans 1694 COAX for all line level connections. If you are keen on a larger (greater than 10" or 400W) subwoofer, or plan on installing multiple subs, you may be better off looking for a separate (or multiple) mono amp(s) for your subwoofer(s) alongside the two- or four-channel amp for your cabin speakers. A test tone is not output from the speakers. Some A/V receivers require you to configure them to engage the Consider using equalization to tame room modes, Consider adding a second subwoofer to smooth response across your listening area. Once you have your subwoofer positioned properly in your room, it's time to connect it to your A/V receiver. Since we typically run our subs in mono, only a single RCA or balanced level connection is needed between the A/V receiver's LFE output and subwoofer line-level input. There was a problem. Receive mail from us on behalf of our trusted partners or sponsors? These can be especially useful if you're connecting multiple amps up to a head unit with only speaker outputs – get one amp with speaker-level inputs and pre-amp outputs, then your other amp will only need standard RCA connectors. Adjust the listening seats as needed (placing chairs near a back wall may result in excessive bass boost). There is no sound from a specific device. This article assumes you already purchased a modern 5.1/7.1 A/V receiver and speaker system with a powered subwoofer. This is a great starting point and a common configuration that works best for most systems. Space is the other crucial decision: there's no sense in selecting a subwoofer that won't fit in your car. Using the internal test tones, calibrate each speaker to roughly the same level (use 75dB as a reference). It's important to invest the time both in setup and critical listening evaluation to ensure you get the most out of your system by getting the bass right. Thank you for signing up to TechRadar. If you plan on adding a second subwoofer later, you may even be better off getting a 1000W amp and turning the gain down at install to prevent damage to your sub. After you have everything setup and configured, it's time to listen. One of the most crucial factors when picking out an amp is finding out if your existing source/head unit has pre-amp outputs. Don't be afraid to ask for help. We give very specific instructions for such rooms. You can revisit this later to see if the 180 degrees or negative setting sounds better in your system by having a friend flip the switch while you listen at the seated position to compare the two settings. Now that you’ve disabled your subwoofer's crossover, set the level to about 50% of max volume. Further to this, when choosing an amp, more power is almost always better. Notably, if your head unit has separate pre-amp outputs for your subwoofer and speakers, it'll be able to take over the crossover duties, so the need for an amplifier with filters and EQ settings is diminished. Sealed boxes are airtight enclosures that provide the best quality bass, but are less efficient – so won't go as loud given the same power.