Audio Systems Find answers to all of your stereo, speaker and other audio technology questions here.
Sponsored by:
Sponsored by:

Yet another stereo question

Thread Tools
 
Search this Thread
 
Old Feb 3, 2015 | 10:03 AM
  #1  
JDavis187's Avatar
JDavis187
Thread Starter
|
Advanced
Joined: May 2013
Posts: 94
Likes: 0
From: Montana
Default Yet another stereo question

Hi guys ive looked around and i get all sorts of answers to this but i thought maybe since some of the posts were pretty old i would get a fresh take. I just bought a 2007 SG and after opening the fairing up i see that the prev owner installed the boom 5 1/4 speakers with a Biketronics BT-444 amp.

I think the bike didnt sound all that good so i bought a pair of Polk DB-651S's and got them installed and ill be honest i didnt hear much difference between the Polks and the Booms. Is the problem the amp is just too small? Do you think i should just upgrade the amp to a higher watt one and keep the booms? or do both the amp and keep the Polks?
 
Reply
Old Feb 3, 2015 | 10:26 AM
  #2  
z71_fourwheelin's Avatar
z71_fourwheelin
Road Captain
Joined: Mar 2008
Posts: 732
Likes: 2
From: SE Alabama
Default

Sounds like the amp is the weak link. Its max output is 75 watts and that's when those Polks start to come alive.
 

Last edited by z71_fourwheelin; Feb 3, 2015 at 11:03 AM.
Reply
Old Feb 3, 2015 | 10:27 AM
  #3  
JDavis187's Avatar
JDavis187
Thread Starter
|
Advanced
Joined: May 2013
Posts: 94
Likes: 0
From: Montana
Default

i cant find any info on the Boom's, would the Polks be better than the Boom's?
 
Reply
Old Feb 3, 2015 | 10:39 AM
  #4  
SBates08's Avatar
SBates08
Seasoned HDF Member
Joined: Jan 2013
Posts: 10,637
Likes: 1,246
From: Lake, Ms
Default

Originally Posted by JDavis187
i cant find any info on the Boom's, would the Polks be better than the Boom's?
No question about it....most definitely better than the Booms.

2010 Limited with some stuff!!
 
Reply
Old Feb 3, 2015 | 11:53 AM
  #5  
Gannicus's Avatar
Gannicus
Ultimate HDF Member
Joined: Oct 2012
Posts: 6,621
Likes: 412
From: Indianapolis IN.
Default

Originally Posted by JDavis187
Hi guys ive looked around and i get all sorts of answers to this but i thought maybe since some of the posts were pretty old i would get a fresh take. I just bought a 2007 SG and after opening the fairing up i see that the prev owner installed the boom 5 1/4 speakers with a Biketronics BT-444 amp.

I think the bike didnt sound all that good so i bought a pair of Polk DB-651S's and got them installed and ill be honest i didnt hear much difference between the Polks and the Booms. Is the problem the amp is just too small? Do you think i should just upgrade the amp to a higher watt one and keep the booms? or do both the amp and keep the Polks?
Honestly JD those model Polks and the amp is the weak link. You would be much better off with a set of Kicker KSC67 speakers and a Power Acoustik RZ2-1300D. Bout $200 bucks and you are golden!
 
Reply
Old Feb 3, 2015 | 12:45 PM
  #6  
JDavis187's Avatar
JDavis187
Thread Starter
|
Advanced
Joined: May 2013
Posts: 94
Likes: 0
From: Montana
Default

what makes the kickers better than the Polks? The kickers are rated at 90db and the Polks at 92dbs? Do you use the kickers? Not sure if it matters but the Kickers arent marine grade
 
Reply
Old Feb 3, 2015 | 12:58 PM
  #7  
Gannicus's Avatar
Gannicus
Ultimate HDF Member
Joined: Oct 2012
Posts: 6,621
Likes: 412
From: Indianapolis IN.
Default

Originally Posted by JDavis187
what makes the kickers better than the Polks? The kickers are rated at 90db and the Polks at 92dbs? Do you use the kickers? Not sure if it matters but the Kickers arent marine grade
They sound better than the DB's. hands down. And yes I've had both speakers installed in my bike. Marine grade doesn't matter. Those kickers take a lickin and keep on kickin. . . No pun intended. Now if you told me you had the POLK MM651's that would be a different story. The Kickers are on the same level as the MM651's. Only they will last longer. Ask me how I know.

And oh by the way. . . Those DB's only handle 60 watts RMS compared to the kickers @ 100 watts RMS.
 

Last edited by Gannicus; Feb 3, 2015 at 01:06 PM.
Reply
Old Feb 3, 2015 | 02:14 PM
  #8  
austinslider's Avatar
austinslider
Road Warrior
Joined: Sep 2013
Posts: 1,308
Likes: 11
From: Colorado
Default

I have the Kickers and they are a great bargain! It rains a ton in Colorado in the summer and they haven't had any issues...yet.
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-1

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-2

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-3

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-4

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-5

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-6

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-7

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
story-8

Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider

 Verdad Gallardo
story-9

The Best and Worst Harley-Davidson Moves of 2025

 Verdad Gallardo
Old Feb 3, 2015 | 05:09 PM
  #9  
just plain john's Avatar
just plain john
Grand HDF Member
10 Year Member
Liked
Loved
Joined: Nov 2012
Posts: 3,784
Likes: 100
From: Pasadena TX
Default

The Polk DB series is only rated at 60 watts. The Polk MM series are rated at 100 IIRC. I had the MM651's and liked how they sounded, but I had stalk failure on 3 different sets, so I tried Infinity 62.11's. Love them, and now have them in the fairing and the lowers. I recommend them.
 
Reply
Old Feb 3, 2015 | 05:41 PM
  #10  
Gannicus's Avatar
Gannicus
Ultimate HDF Member
Joined: Oct 2012
Posts: 6,621
Likes: 412
From: Indianapolis IN.
Default

Originally Posted by just plain john
The Polk DB series is only rated at 60 watts. The Polk MM series are rated at 100 IIRC. I had the MM651's and liked how they sounded, but I had stalk failure on 3 different sets, so I tried Infinity 62.11's. Love them, and now have them in the fairing and the lowers. I recommend them.
+1 on the infinity's. A forum favorite for sure!
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
darkkevin
Audio Systems
10
Jun 28, 2019 09:24 PM
AndyinTally
Audio Systems
8
Jan 28, 2014 04:16 PM
VETERAN75
Touring Models
8
Jan 28, 2014 08:05 AM
homebru
Touring Models
6
Apr 26, 2012 08:12 AM
dowork08
Touring Models
26
Apr 30, 2008 01:46 AM




All times are GMT -5. The time now is 07:18 AM.

story-0
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-1
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-2
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-3
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-4
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-5
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-6
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-7
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE
story-8
Southpaw Super Glide: A Left-Hand-Drive 1979 Harley FXE Built to Fit the Rider

Slideshow: Graeme Billington's left-hand-drive Shovelhead is as much about problem-solving as it is about classic Harley form.

By Verdad Gallardo | 2025-12-30 11:27:08


VIEW MORE
story-9
The Best and Worst Harley-Davidson Moves of 2025

Slideshow: A clear-eyed look at what actually worked for Harley this year, and what quietly undermined its progress.

By Verdad Gallardo | 2025-12-29 17:10:48


VIEW MORE