Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable ...

Compare price from $0.00 ~ $155.99

Compare Buying Options

Sort by Lowest Price	Item price	Delivery
Alamazonas Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp	0.00	Delivery date & cost shown at checkout

Alamazonas Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp	0.00	Delivery date & cost shown at checkout

Alamazonas Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable ...	0.00	Envío gratuito

Alamazonas Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable ...	0.00	Delivery date & cost shown at checkout

Lapson México Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp	0.00	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio	$24.99	Delivery date & cost shown at checkout

eBay Pyle 4 Ch 400 Watt Waterproof Marine Amplifier	$27.49	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amp	$29.95	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G	$30.00	Delivery date & cost shown at checkout

eBay Pyle PLMRA402 Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4CH LQ	$35.00	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amp	$35.00	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp	$36.80	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...	$39.99	Delivery date & cost shown at checkout

eBay Pyle PLMRA400 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White	$40.00	Delivery date & cost shown at checkout

eBay Pyle PLMRA402 Elite Series 400 Watt 4 Channel Audio Amplifier-Whit<wbr/>e (Open Box)	$44.99	Delivery date & cost shown at checkout

eBay Pyle Elite Series 400 Watt Upgraded Hydra Marine 4 Channel Audio Amplifier	$44.99	Free delivery by Sep 4Free 30-day returns

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G	$45.00	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Elite Series 400 Watt 4 Channel Audio	$45.99	Delivery date & cost shown at checkout

eBay New Pyle PLMRA400 4 Ch 400 Watt Waterproof Marine Baot Power Audio Amp Amplifier	$63.99	Delivery date & cost shown at checkout

eBay Pyle PLMRA402 Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4CH	$64.49	Delivery date & cost shown at checkout

eBay PLMRA400 Pyle 4 Channel 400 Watt White Waterproof Marine Amplifier System	$65.99	Delivery date & cost shown at checkout

eBay PLMRA400 Pyle 4 Channel 400 Watt Waterproof Marine Amplifier (White)	$65.99	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio...	$66.98	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...	$73.98	Delivery date & cost shown at checkout

eBay Pyle PLMRA400 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White	$74.57	Delivery date & cost shown at checkout

eBay Hydra Marine Amplifier: Upgraded Elite 400W 4-Channel Audio Amp - Waterproof, Du	$81.30	Delivery date & cost shown at checkout

eBay Pyle PLMRA400 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White	$83.75	Delivery date & cost shown at checkout

eBay Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4 Channel Audio Ampli	$113.89	Delivery date & cost shown at checkout

SportOutdoorStore Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$24.99	Free delivery

Best Selling Products Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$24.99	Free delivery

Squarespace Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$24.99	Free delivery by Sat, Jun 1 7-day returns

Squarespace Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$24.99	Free delivery by Mon, Jun 17 7-day returns

Amazing Oils Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G	$26.50	Free delivery by Tue, Jul 23

Amazing Oils Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G	$26.50	Free delivery by Tue, Jul 23

Amazing Oils Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$34.99	Free delivery by Tue, Jul 23

Impulse Shoppe Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$32.06	Free delivery by Mon, Nov 20 30-day returns

IPC Store Pyle PLMRA400 audio amplifier 4.0 channels Car Wired Grey	$39.00	Delivery date & cost shown at checkout

HorsepowerFreaks Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$39.72	$24.85 delivery by Thu, May 16 30-day returns

Boatid Pyle® PLMRA400 - 400W 4-Channel Class AB Amplifier	$40.77	Delivery date & cost shown at checkout

VM Innovations Pyle 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White (Open Box)	$41.53	Delivery date & cost shown at checkout

Autocado Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$43.07	Free delivery by Wed, Nov 22 Free 90-day returns

Road Entertainment Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$44.49	Free delivery expected by Aug 27

Road Entertainment Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$62.99	Delivery date & cost shown at checkout

Spectrum Warehouse Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$46.95	Free delivery by Mon, Mar 18 14-day returns

Spectrum Warehouse Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...	$70.95	Free delivery by Tue, Apr 16 14-day returns

Telquest International Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G	$47.99	Free delivery by Wed, Jul 3

Aztek Computers Pyle RA12485 Hydra Series Waterproof Marine Class Ab Amp (400 Watts44; 4 Channels) Pylplmra400	$49.64	Delivery date & cost shown at checkout

Rivercity Motors Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$49.99	$4.90 delivery by Thu, Jun 27 30-day returns Get 10% off when you spend $100+

Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$50.25	Free delivery 15-day returns

Deff Audio Pyle PLMRA400 400-Watt 4-Channel Waterproof Marine/Car Amplifier	$54.23	Delivery date & cost shown at checkout

BTA MALL Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$54.86	Free delivery by Sun, Dec 24 Free 30-day returns

eBluejay Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$60.99	Delivery date & cost shown at checkout +Shipping & tax

Online Car Stereo CA Pyle PLMRA402	$61.59	Delivery date & cost shown at checkout

Enrock Pyle® PLMRA400	$64.49	Delivery date & cost shown at checkout

Enrock Pyle® PLCD43MRB	$155.99	Delivery date & cost shown at checkout

Electroeshop Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$66.49	Free delivery

Newegg Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier Waterproof, Dual Mosfet Power Supply, Gain Level Controls, RCA Stereo Input & LED Indicator (PLMRA400),BLACK	$69.99	Delivery date & cost shown at checkout

Newegg Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$87.46	Free delivery

Truegether Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$73.92	Free delivery

Amazon Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier & 6.5 Inch Dual Marine Speakers - 2 Way Waterproof and Weather Resistant Outdoor Audio Stereo Sound System	$77.63	. Order within DeliveryFriday, December 63 hrs 6 mins

eCRATER Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$78.91	Delivery date & cost shown at checkout

Bonanza Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...	$91.99	Free delivery

Bonanza Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...	$94.99	Free delivery

Bonanza PLMRA400 Pyle 4 Channel 400 Watt Waterproof Marine Amplifier (White)	$110.99	Delivery date & cost shown at checkout

ibspot Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400)	$95.60	Delivery date & cost shown at checkout

Sears Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$109.99	Free delivery

Globale Parts Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier	$115.48	Free delivery by Thu, Jun 20 30-day returns

0.00
Alamazonas
Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp
Delivery date & cost shown at checkout
0.00
Alamazonas
Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp
Delivery date & cost shown at checkout
0.00
Alamazonas
Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable ...
Envío gratuito
0.00
Alamazonas
Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable ...
Delivery date & cost shown at checkout
0.00
Lapson México
Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp
Delivery date & cost shown at checkout
24.99
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio
Delivery date & cost shown at checkout
27.49
eBay
Pyle 4 Ch 400 Watt Waterproof Marine Amplifier
Delivery date & cost shown at checkout
29.95
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amp
Delivery date & cost shown at checkout
30.00
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G
Delivery date & cost shown at checkout
35.00
eBay
Pyle PLMRA402 Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4CH LQ
Delivery date & cost shown at checkout
35.00
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amp
Delivery date & cost shown at checkout
36.80
eBay
Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp
Delivery date & cost shown at checkout
39.99
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...
Delivery date & cost shown at checkout
40.00
eBay
Pyle PLMRA400 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White
Delivery date & cost shown at checkout
44.99
eBay
Pyle PLMRA402 Elite Series 400 Watt 4 Channel Audio Amplifier-White (Open Box)
Delivery date & cost shown at checkout
44.99
eBay
Pyle Elite Series 400 Watt Upgraded Hydra Marine 4 Channel Audio Amplifier
Free delivery by Sep 4Free 30-day returns
45.00
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G
Delivery date & cost shown at checkout
45.99
eBay
Pyle Hydra Marine Amplifier - Elite Series 400 Watt 4 Channel Audio
Delivery date & cost shown at checkout
63.99
eBay
New Pyle PLMRA400 4 Ch 400 Watt Waterproof Marine Baot Power Audio Amp Amplifier
Delivery date & cost shown at checkout
64.49
eBay
Pyle PLMRA402 Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4CH
Delivery date & cost shown at checkout
65.99
eBay
PLMRA400 Pyle 4 Channel 400 Watt White Waterproof Marine Amplifier System
Delivery date & cost shown at checkout
65.99
eBay
PLMRA400 Pyle 4 Channel 400 Watt Waterproof Marine Amplifier (White)
Delivery date & cost shown at checkout
66.98
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio...
Delivery date & cost shown at checkout
73.98
eBay
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...
Delivery date & cost shown at checkout
74.57
eBay
Pyle PLMRA400 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White
Delivery date & cost shown at checkout
81.30
eBay
Hydra Marine Amplifier: Upgraded Elite 400W 4-Channel Audio Amp - Waterproof, Du
Delivery date & cost shown at checkout
83.75
eBay
Pyle PLMRA400 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White
Delivery date & cost shown at checkout
113.89
eBay
Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4 Channel Audio Ampli
Delivery date & cost shown at checkout
24.99
SportOutdoorStore
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery
24.99
Best Selling Products
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery
24.99
Squarespace
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Sat, Jun 1 7-day returns
24.99
Squarespace
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Mon, Jun 17 7-day returns
26.50
Amazing Oils
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G
Free delivery by Tue, Jul 23
26.50
Amazing Oils
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G
Free delivery by Tue, Jul 23
34.99
Amazing Oils
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Tue, Jul 23
32.06
Impulse Shoppe
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Mon, Nov 20 30-day returns
39.00
IPC Store
Pyle PLMRA400 audio amplifier 4.0 channels Car Wired Grey
Delivery date & cost shown at checkout
39.72
HorsepowerFreaks
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
$24.85 delivery by Thu, May 16 30-day returns
40.77
Boatid
Pyle® PLMRA400 - 400W 4-Channel Class AB Amplifier
Delivery date & cost shown at checkout
41.53
VM Innovations
Pyle 400 Watt 4 Channel Waterproof Marine Boat Audio Amplifier, White (Open Box)
Delivery date & cost shown at checkout
43.07
Autocado
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Wed, Nov 22 Free 90-day returns
44.49
Road Entertainment
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery expected by Aug 27
62.99
Road Entertainment
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Delivery date & cost shown at checkout
46.95
Spectrum Warehouse
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Mon, Mar 18 14-day returns
70.95
Spectrum Warehouse
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...
Free delivery by Tue, Apr 16 14-day returns
47.99
Telquest International
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, G
Free delivery by Wed, Jul 3
49.64
Aztek Computers
Pyle RA12485 Hydra Series Waterproof Marine Class Ab Amp (400 Watts44; 4 Channels) Pylplmra400
Delivery date & cost shown at checkout
49.99
Rivercity Motors
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
$4.90 delivery by Thu, Jun 27 30-day returns Get 10% off when you spend $100+
50.25
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery 15-day returns
54.23
Deff Audio
Pyle PLMRA400 400-Watt 4-Channel Waterproof Marine/Car Amplifier
Delivery date & cost shown at checkout
54.86
BTA MALL
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Sun, Dec 24 Free 30-day returns
60.99
eBluejay
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Delivery date & cost shown at checkout +Shipping & tax
61.59
Online Car Stereo CA
Pyle PLMRA402
Delivery date & cost shown at checkout
64.49
Enrock
Pyle® PLMRA400
Delivery date & cost shown at checkout
155.99
Enrock
Pyle® PLCD43MRB
Delivery date & cost shown at checkout
66.49
Electroeshop
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery
69.99
Newegg
Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier Waterproof, Dual Mosfet Power Supply, Gain Level Controls, RCA Stereo Input & LED Indicator (PLMRA400),BLACK
Delivery date & cost shown at checkout
87.46
Newegg
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery
73.92
Truegether
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery
77.63
Amazon
Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier & 6.5 Inch Dual Marine Speakers - 2 Way Waterproof and Weather Resistant Outdoor Audio Stereo Sound System
. Order within DeliveryFriday, December 63 hrs 6 mins
78.91
eCRATER
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Delivery date & cost shown at checkout
91.99
Bonanza
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...
Free delivery
94.99
Bonanza
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio ...
Free delivery
110.99
Bonanza
PLMRA400 Pyle 4 Channel 400 Watt Waterproof Marine Amplifier (White)
Delivery date & cost shown at checkout
95.60
ibspot
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400)
Delivery date & cost shown at checkout
109.99
Sears
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery
115.48
Globale Parts
Pyle PLMRA400 4 Channel 400 Watt Waterproof Marine Amplifier
Free delivery by Thu, Jun 20 30-day returns

Product Details

Product 1: Premium 4 Channel Amplifier: Pyle’s PLMRA400 is engineered as a 4 channel marine amplifier that allows high quality stereo reproduction from source; This will power up your speaker and Universally compatible with a variety of head units.

Related Products

Clarion CM3013WL 12-inch Marine Subwoofer 300W RMS power handling Dual 2 ohm ...

$169.99

Compare at 5 stores

DIPOLE HIDE-WAY ANTENNA

$12.99

Compare at 43 stores

Humminbird 7402221 Mega Live Target Lock

$1499.99

Compare at 52 stores

Icom MBA-2 Controller Bracket for ID-5100 Id-5100d Japan

$35.2

Compare at 2 stores

Herdio Marine Radio and Speakers Set Compatable with Bluetooth, Marine Gauge Head Unit+6.5 Inch Marine Flush Wall Mount Ceiling Speakers+Rubber Flexible Mast FM AM Antenna

$46.75

Compare at 4 stores

Popular Products

5/16-18x4" Button Head Socket Cap Screws, 5pcs 304 Stainless Steel Screws

$17.35

Compare at 3 stores

Le Suit Women's Petites 2PC Pant Suit

$100.3

Compare at 17 stores

Flash Furniture Hercules Series 500 lb. Capacity Heavy Duty Plastic Folding Chair with Built-in Ganging Brackets

$169.15

Compare at 6 stores

R&R Tackle Deep Drop Rigs - 5/0

$23.99

Compare at 29 stores

Gymreapers Lifting Wrist Straps

$17.5

Compare at 5 stores

Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable ...

Compare Buying Options

Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp

Pyle Hydra Marine Amplifier, PLMRA402 Elite Series 400 Watt 4 Channel Audio Amp