Tag: JBL

Top 3 Marine Audio Receivers with Bluetooth

Marine Audio

Whether you’re building a brand new marine audio system, or replacing an old marine stereo, you’ll want to purchase a receiver that has all the features you need to listen to your music out on the water – as well as a design that protects it from the harsh marine environment. Specially made marine stereo systems have completely water resistant designs, are UV resistant, are designed with anti-corrosive components, and most feature large buttons so that they are easy to control in a moving boat. In addition, marine audio receivers come with a wide variety of ways to listen to your music – including auxiliary inputs, Satellite Radio, and Bluetooth to listen wirelessly. So, without further hesitation, here are the top three marine audio receivers with Bluetooth technology!

1JBL PRV175

The JBL PRV175 in-dash digital media round receiver with Bluetooth is the perfect marine audio receiver for any boat. Not only does it feature Bluetooth technology, but you can also play music off of it through USB or an SD card. It features a fully water resistant design and a very simple interface with easy to use controls and a one-line LCD display.PRV175 Marine Audio Receiver

  • 2-Way iPod Control Allows Control from iPod or Stereo
  • White Illuminated Button Lighting
  • Compatible with Apple iPhone 5 and iOS 6 Software
  • Rear Aux Input
  • AM/FM Radio

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2Infinity PRV250

Next up is Infinity’s PRV250 in-dash marine digital receiver with Bluetooth. This receiver is a lot like the PRV175, however it is a bit bigger and features a square design instead of round. The PRV250 features a USB rear input, AM/FM radio, a marine-rated watertight faceplate and controls that are sure to stand up to sun, salt and moisture, and much more.Infinity PRV250 Marine Receiver

  • Single-Line LCD Display
  • White Illuminated Button Lighting
  • 2-Band Parametric Equalizer
  • 3.5mm Rear Auxiliary Input
  • 2 Sets of 2V Preamp Outputs

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3Sony MEX-M70BT

Last, but certainly not least, is the Sony MEX-M70BT single DIN in-dash marine stereo receiver with built-in Bluetooth technology. This stereo is a bit different than the others, as it features a classic single-DIN car stereo look- but this also means that unlike the other receivers, you can play CD’s on your boat. This marine receiver is a high tech, quality stereo and is perfect for any type of boat. The MEX-M70BT features one-touch Bluetooth device pairing using NFC technology, conformal circuit board coating to protect the unit from the harsh marine environment, UV resistant coating, and an included remote control. What’s special about this stereo is that, unlike the others, you can play CD’s Sony MEX-M70BT Marine Receiveron it!

  • CEA-2006 Compliant Amplifier
  • Theft-Deterrent, Detachable Face Plate
  • 10-Band Equalizer
  • Front USB and 3.5mm Auxiliary Inputs
  • Pandora Internet Radio Control through iPhone and Android Smartphones

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Bluetooth Amps

RE Audio BT900.4

As the Sonic Electronix team walked around the International CES show in Las Vegas this year, one improvement in the car audio industry that stood out to us was the large amount of Bluetooth Car Amplifiers. In 2014, there were a couple Bluetooth Amps, such as the Kicker PXiBT amp and RE Audio’s BT900.4 amplifier. However, this year there were a lot more Bluetooth amps out on the show floor. Cerwin Vega, Infinity, JBL, as well as Kicker all released new Bluetooth Amps that are sure to change the way you listen to music in your vehicle! Each of these Bluetooth amps features cutting-edge technology which will improve your system.

1Seamless Connectivity

Bringing Bluetooth technology to car amplifiers enables an extreme ease of connectivity. Even if your car stereo does not have Bluetooth, these car amplifiers make it extremely easy to connect your device via Bluetooth. In addition, to make things even easier, most models feature one touch pairing technology.

2Even More Features

In addition to Bluetooth, most of these newly released Bluetooth amplifiers that came out this year, come with other features that you wouldn’t be able to find in a non-Bluetooth amplifier. For example, the Infinity & JBL Bluetooth car amplifiers include “party mode,” which allows the user to share DJ control with up to three devices. Kicker‘s new bluetooth IQ Series amplifiers feature compatibility with their IQI interface, which allows connecting Bluetooth with a microphone to up to four IQ amplifiers.

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Presonus Debuts a new line of Intelligent Speakers at the 2013 NAMM Show

Presonus has released an exciting new line of Live Sound Reinforcement Speakers that they are branding under their StudioLive flag.    These speakers all feature “Active Integration”   which is a proprietary networking system that allows all the components of your StudioLive Mixer and Speakers to communicate with each other.

ACTIVE INTEGRATION

Active Integration is a Wi-Fi based networking system for  communications, wireless networking, and control of the vast amounts of DSP found in a specialized custom chipset built into each speaker, resulting in a system that can easily detect, manipulate, and control each component of the system in the network enabling the room to be tuned and manipulated from one position.

The StudioLive Active Integration system includes more DSP power physically built into each speaker than a standalone rack mount speaker management system.  The included USB Wi-Fi LAN adapter enables wireless networking via a small USB dongle on each speaker.   This gives you an unprecedented amount of control over individual speakers through the network, which can be manipulated from anywhere in the room via a laptop, iPad, or iPhone and iPod touch for monitor controls.

StudioLive Room Control

SL Room Control  is speaker management software that allows you to interface directly with your entire system via a laptop or iOS device.    All you need to do is create a local area network using a wireless router and connect your StudioLive AI speakers with the included USB 2.0 Wi-Fi LAN adapter or onboard Ethercon connection.    You also connect your laptop or iPad  to the same Wi-Fi network and launch SL Room Control and your free to use a plethora of EQ and dynamic presets, RTA and SMAART applications as well as monitor temperature, set delay time and phase for your entire StudioLive AI speaker system.

The Speakers

Designed by David Gunness, formerly of EAW and Electro Voice, the SL series speakers sport a coaxial design.   This means the tweeters are set in the same axis occupying the same space.   In actuality the tweeters fire directly through the dust cap of the midrange drivers with the aid of an external wave guide.  Without getting too technical, the coaxial design of these speakers results in a homogenous wave pattern from the same source throughout the speakers frequency response.  Non coaxial, component based speakers have asymmetrical dispersion patterns that can result in varying phase anomalies dependent on the position of the observer.

StudioLive  18sAI

StudioLive 18sAI offers the benefits of Active Integration, including remote control—including wireless control—over output level, user-adjustable contours, and more and uses 32-bit floating point DSP for the variable crossover, dynamic limiting, and excursion limiting.

 StudioLive 312AI

A compact, powered, full-range, 3-way loudspeaker, StudioLive 312AI relies on a 12-inch ferrite woofer for low frequencies and a custom-designed, 8-inch coaxial speaker with a 1.75-inch titanium compression driver to reproduce the mid and high frequencies. These transducers are driven by a hefty 2,000W RMS of triamplified, Class D power.

 

StudioLive 315AI

The StudioLive 315AI is perfect for large venues and bands that need full-range speakers with plenty of low end. The StudioLive 315AI provides 3-way coverage, with a 15-inch speaker for low frequencies and a custom-designed, 8-inch coaxial speaker with a 1.75-inch titanium compression driver to reproduce the mid and high frequencies. These transducers are driven by a hefty 2,000W RMS of triamplified, Class D power.

 

StudioLive 328AI

A 3-way system that features dual 8-inch ferrite woofers and a coaxial 8-inch ferrite midrange speaker and 1.75-inch compression driver, the StudioLive 328AI delivers full-range, high-powered performance, yet is streamlined and compact. These transducers are driven by a hefty 2,000W RMS of quad-amplified, Class D power.

PRM1

To get the most out of your Presonus AI System you need to use an accurate reference microphone to measure the tonality of the room your tuning your system to.  The PRM1 can handle up to 132 dj SPL and has a linear frequency response 20Hz-20kHz, enabling you to take advantage of the RTA (real-time analyser) units and software like SMAART and Virtual StudioLive.

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JBL MS-8 Sound Processor Overview

THE BEGINNING:

2008+ Mitsubishi Lancer Rockford Fosgate Amplified Sound System Diagram

When someone says to me, “Come check out my awesome sound system!” Deep down I sigh to myself knowing that they will have two subwoofers in the trunk powered by a no name amplifier as well as a cheap head unit. Sure enough, it’s just bass… sloppy and inaccurate but loud bass. If only they knew what amazing sound lay just on the horizon. They can have loud, deep bass but obtain quality with their current setup. Where are the mids and highs? How about accurate, punchy bass? Does no one want that live concert, movie theater type sound? I bought a new 2008+ Mitsubishi Lancer and wanted to get the best possible sound from my factory amplified sound system, I had decided to hold off on an entire system until the vehicle was paid off. The JBL MS-8 was rumored to rock socks off, so I pulled the trigger and purchased one. It would integrate with my factory amplified navigation and sound system nicely. The system is made up of the following:

  • Navigation Headunit
  • 8-Channel DSP Amplifier
  • Front 6.5″ Component Speakers
  • Rear Coaxial Speakers
  • Trunk Mounted 10″ Subwoofer

INSTALLATION:

I had to do quite a bit of research before the installation of the MS-8 because I wanted to be absolutely sure I was cutting into the correct wires of my factory amplified sound system, which looked like rainbow spaghetti. If I had a basic, non-amplified or aftermarket sound system, the installation would have been very easy and straightforward. I used the hi-level input and output of the MS-8, which were two wiring harnesses. The clearly labeled harnesses made it easy to crimp all of the wires together once I had the colors figured out. I connected the MS-8 to the output side of the factory amplifier between the amp and speakers themselves, it would utilize it’s own high quality built-in amplifier from now on. Installation was slightly more difficult than a regular amplifier, but only because of the factory wiring.

CALIBRATION:

The included LCD display and bi-aural microphone are used for setup, calibration, and tuning of the MS-8. It can be mounted anywhere within the vehicle or simply used once and then unplugged and stored. I opted to store the display once I finished using it, however I connect it often to make adjustments to the 31-band EQ or the listening position. You must tell the MS-8 what speakers are connected to each channel, so make sure to write them down ahead of time. I then had to set the crossover points for each speaker and was delighted that I had this kind of control of my system. However, I had no idea what crossover points the factory system’s speakers were set at and Rockford Fosgate wouldn’t reveal that information to me, trust me I asked. This was a big pain in my side, but crucial to getting the best sound. The first x-over points I selected made the MS-8 sound awful and muddy, so keep that in mind if you are un-happy with the outcome, just re-calibrate with new x-over points. Finally, I donned the bi-aural microphone headset like a champion and started the sound calibrations. The measurements will take about 5 minutes to complete at which point the unit will calculate the frequency response, level and arrival time for each of the 8 output channels. Finally, it auto-tunes the car using 48 measurements per seat, up to 4 seats total (driver, passenger, two rear seats). Impressive isn’t it? Just make sure no one sees you during calibration. Looking in all directions with the headset on and the car making tons of awkward beeping noises will leave people wondering.

THE DEFINING MOMENT:
When completed, the MS-8 was ready to output the optimized tune from all of its calibrations. I was immediately impressed. I could no longer pinpoint the individual speakers in my car, all I knew was that the sound was coming from the front dashboard and all around me. More than just raising the center stage, the MS-8’s quality amplifier brought out the little nuances in my music that I was never able to hear before from the stock amplifier. Cymbals sounded like they were crashing, the bass drum was punchy and even vocals were more human and sibilant. I turned the calibrations off to revert back to the factory sound output and felt disgusted that I had ever thought it was good, at which point I immediately turned the MS-8 back on. Had I spent the same amount of money on just upgrading my speakers and radio, I would have better quality sound from the individual speakers but without time alignment and staging, it’s almost pointless. Now that I have the MS-8, adding upgraded components will be a breeze and they will sound significantly better with the additional calibrations.

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Car Sound Staging and Acoustics

Focal No. 7

The Stage is Set

Many people are convinced that buying high quality car audio equipment will automatically guarantee them a top notch sounding system.   Fact of the matter is, there are many factors to take into consideration when installing aftermarket sound components in your vehicle.   Sound staging is one of the most important aspects in that it can make the difference between a good system and a great one.  The basic concept of sound staging can be best described as trying to recreate a stereo recording as a live performance.  Think of the basic format of a band:  You have a singer, one or two guitarist, a bassist and a drummer.  Someone who has proper sound staging should be able to listen to the recording and hear the singer in the center, the guitarist on the left, the bassist on the right, and the drummer behind the singer.

Speaker Placement

Sound Staging

The placement of a vehicle’s speakers can drastically affect its sound staging. Common vehicles usually only have a standard 4 speaker system.  This can often result in poor sound staging creating a very artificial sound.  However, this can be improved by adding speakers such as the Infinity Reference 6032cf. The Unipivot feature allows the tweeter to be pointed at the listeners location even when the speaker is mounted off axis. Passionate audiophiles will go above and beyond to ensure that their speakers are in locations that will provide optimum performance.  This might include modifying door panels or building custom kick panels to accommodate midbass drivers and tweeters.  Some may create mounting devices which allow them to raise the speaker above the dash for improved imaging and staging.  Installers might achieve better sound staging by adding additional speakers to the equation in locations such as pillars or under seats.

Interior Acoustics

Sound StagingA vehicle’s interior characteristics can help determine sound staging as well.  Different surfaces will have various responses to sound waves depending on how they absorb or reflect them.  For instance, a surface such as glass will be reflective and cause sound waves to bounce around.  A surface such as upholstery will cause sound wave to be absorbed.  This can greatly affect how your speakers and subwoofers reproduce music.  For example, if you were to put identical sound systems in a Rolls Royce and a Toyota Corolla, they would sound very different.  Adding a digital sound processor such as the JBL MS-8 can improve staging significantly with its automatic time correction feature, allowing the sound from each speaker to reach the listener simultaneously.  Audiophiles will often apply sound dampening material to door panels and trunks in order to control interior surfaces and reduce unwanted vibrations.

Let’s be honest, there is no perfect sound system, but understanding how to take advantage of every small detail can mean a world of difference.

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