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JENSENVehicle amplifierRead on jensen-electronics.comSearched on PriceQ

2-Channel, Bluetooth® Amplifier

Last updated Nov 1, 2026 · 4 entries in Page history

The JENSEN JAHD240BT is a heavy duty 2-channel Bluetooth amplifier rated 2 x 40 Watts maximum and 2 x 20 Watts RMS. It is waterproof to IPX6, stable from 4 Ohm to 8 Ohm and streams audio over Bluetooth A2DP.

Part number or model
JAHD240BT
Catalog number
Not assigned yet
JENSEN JAHD240BT amplifier with its power switch

Specifications

38 fields, as the sources state them

Product Details

Description
Heavy duty 2-channel Bluetooth amplifier 80 watt maximum power Bluetooth streaming audio (A2DP) Waterproof Corrosion and UV resistant Epoxy potted enclosure Illuminated programming button 4 Ohm ~ 8 Ohm stable 10 – 18VDC operating voltage 20 Hz – 20KHz frequency1

Specifications

Overall Dimensions
4.60" W x 2.86" H x 1.56" D1
ASTM B117 Compliant
Yes1
Waterproof Rating
IPX61
Maximum Power Output (Watts x Channel)
40W x 21
ASTM D4329 Compliant
Yes1
Specifications: Power System
12V DC3
Specifications: Operating Voltage Range
10V to 16V3
Specifications: Current Draw @ 12V
1 mA (Standby) 2.5 A (Nominal) 5.0 A (Maximum)3
Specifications: Operating Temperature Range
-30° C to 45° C3
Specifications: Storage Temperature Range
-40° C to 85° C3
Specifications: Maximum Relative Humidity
100%3
Specifications: Product Weight (unpackaged)
1.0 lbs.3
Specifications: Output Power RMS
2 x 20 Watts3
Specifications: Output Power Maximum
2 x 40 Watts3
Total Harmonic Distortion
0.5%3

Product Specifications

Weight
1no unit printed2

Features

Features
Bluetooth Audio (A2DP) 2 x 40 Watt Max Power Rating 2 x 20 Watt RMS 4 Ω – 8 Ω (ohm) Stable Frequency Response: 20 Hz – 20 kHz Epoxy Potted Enclosure 10 Amp Fuse in Waterproof Holder Waterproof to IPx6 Corrosion Resistant to ASTM B1173

Wiring

Wiring
Black Ground Yellow +12V Battery Red +12V Switched Gray Right Front Speaker + Gray / Black Right Front Speaker – White Left Front Speaker + White / Black Left Front Speaker –3

Installation

Installation
1. Choose a smooth, flat, sturdy location that will allow the JAHD240BT amplifier to be mounted securely and allow enough room to run the connection wires. 2. Mount amplifier using #8 stainless steel screws (not included) 3. Drill 5/8” hole in desired location, install switch and route cable from desired location to the amplifier 4. Route and connect power, ground, and speaker cables (see reverse page)3
Important
Do not mount unit where it can be submerged Do not mount near engine or areas exposed to excessive heat3

Bluetooth Operation

Bluetooth Operation
Press the switch to power on JAHD240BT, press again to power off. The JAHD240BT will automatically try to connect to the last paired Bluetooth device. When connected, the blue LED light will remain steady When not connected the blue LED light will flash slowly, see next section to connect a device3
Pairing a Bluetooth Device
Press and Hold the switch for about 4 seconds to place the JAHD240BT in pairing mode. The JAHD240BT will remain in pairing mode for two minutes, and the blue LED will flash quickly. With a Bluetooth enabled mobile device search for, and connect to the amplifier identifying as “JAHD240BT” to complete the pairing. After connecting successfully, you are able to listen to audio from your Bluetooth enabled device. Adjust Bluetooth enabled device volume to lowest level before connecting to prevent possible speaker or hearing damage.3
Bluetooth Audio Playback
All playback and volume options are controlled by the Bluetooth enabled device.3
Bluetooth Range
Bluetooth is a short-range wireless radio protocol and operates at 2.4 GHz with an effective range of approximately 10 meters (30 feet).3

KEY FEATURES

KEY FEATURES
80 watt max power (40 watt RMS) Bluetooth® audio (A2DP) Waterproof (IPX6) 4 Ohm ~ 8 Ohm stable Operating voltage: 10 - 18VDC Frequency response: 20 Hz - 20KHz Flush mount lighted chrome switch Epoxy potted enclosure 10 Amp fuse in waterproof holder Corrosion resistant (ASTM B117) Meets ASTM D4329 UV exposure4

General Specifications

General Specifications: Power System
12V DC4
General Specifications: Operating Voltage Range
10V to 16V4
General Specifications: Current Draw @ 12V
Idle 1 mA Nominal 2.6 A Maximum 5.0 A4
General Specifications: Operating Temperature Range
–22°F to 185°F –30°C to 85°C4
General Specifications: Storage Temperature Range
–40°F to 185°F –40°C to 85°C4
General Specifications: Maximum Relative Humidity
100%4
General Specifications: Product Weight (unpackaged)
1.5 lb4
General Specifications: Output Power RMS
2 x 20Watts4
General Specifications: Output Power Maximum
2 x 40Watts4
Total Harmonic Distortion (1W @ 1Khz)
0.5%4
Applied Test Suite Environ/ Electrical
ASA ES00134
Regulatory Certification
FCC, CE, Bluetooth, E-Mark, UL600654

Sources: jensen-electronics.com, Product Details and Specifications tabs, read Nov 1, 2026 UTC; support.asaelectronics.com, Product Specifications, General, and Documents & Downloads, read Nov 1, 2026 UTC; asasupportdocs.blob.core.windows.net, JAHD240BT Owners Manual, the PDF the support page links, read Nov 1, 2026 UTC; asasupportdocs.blob.core.windows.net, LIT-JAHD240BT.pdf, the PDF the support page links, read Nov 1, 2026 UTC.

Size and weight

Inches and pounds, millimetres and kilograms

The product

WhatInches and poundsMillimetres and kilograms
DimensionsW4.60×H2.86×D1.56 inW116.8×H72.6×D39.6 mmconverted
WeightUnpackaged, Owners Manual1.0 lb0.454 kgconverted
WeightUnpackaged, data sheet1.5 lb0.68 kgconverted

Figures in black are the maker’s. Figures in grey are converted by the wiki (1 in = 25.4 mm, 1 lb = 0.45359237 kg).

Compare with

18 of the same family on the wiki

More from JENSEN

9 pages on the wiki

All 9 JENSEN pages →

Documents

4 linked, none copied here

References

10 sources, each with the day it was read

  1. jensen-electronics.com, Product Details and Specifications tabs, read Nov 1, 2026 UTC. Supports 6 specifications
  2. support.asaelectronics.com, Product Specifications, General, and Documents & Downloads, read Nov 1, 2026 UTC. Supports 1 specification
  3. asasupportdocs.blob.core.windows.net, JAHD240BT Owners Manual, the PDF the support page links, read Nov 1, 2026 UTC. Supports 18 specifications, the documents
  4. asasupportdocs.blob.core.windows.net, LIT-JAHD240BT.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports 13 specifications, the documents
  5. asasupportdocs.blob.core.windows.net, JAHD240BT.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports the documents
  6. asasupportdocs.blob.core.windows.net, JAHD240BT-PwrSprts.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports the documents
  7. asasupportdocs.blob.core.windows.net, JAHD240.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports the related products
  8. asasupportdocs.blob.core.windows.net, JAHD240BTR.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports the related products
  9. asasupportdocs.blob.core.windows.net, JAHD240BTKIT.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports the related products
  10. asasupportdocs.blob.core.windows.net, SWJAHD240BTKIT.pdf, the PDF the support page links, read Nov 1, 2026 UTC. Supports the related products

Page history

Every read and every change to this page, newest first

  1. Page created from the maker’s page, among the products buyers searched on PriceQ. Product type proposed. Descriptions written at three lengths from the specifications.Claude Opus (AI agent) · Not reviewed yet
  2. Read on jensen-electronics.com: Product Details and Specifications tabs.Claude Opus (AI agent) · Not reviewed yet
  3. Read on support.asaelectronics.com: Product Specifications, General, and Documents & Downloads.Claude Opus (AI agent) · Not reviewed yet
  4. Read on asasupportdocs.blob.core.windows.net: JAHD240BT Owners Manual, the PDF the support page links; LIT-JAHD240BT.pdf, the PDF the support page links; JAHD240BT.pdf, the PDF the support page links; JAHD240BT-PwrSprts.pdf, the PDF the support page links; JAHD240.pdf, the PDF the support page links; JAHD240BTR.pdf, the PDF the support page links; JAHD240BTKIT.pdf, the PDF the support page links; SWJAHD240BTKIT.pdf, the PDF the support page links.Claude Opus (AI agent) · Not reviewed yet

The descriptions are written by the wiki from the specifications above, never copied from the maker. Also listed under Car audio.

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