Aiwa MI-X440 Enigma Beta vs Positive Grid Spark Edge – Specs, Price & Comparison (2026)

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Brand	Aiwa	Positive Grid
Model No	MI-X440 Enigma Beta	Spark Edge
Wired / Wireless	Bluetooth Speaker Specification	Bluetooth Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	NA	165.1 mm, 25.4 mm Woofer
Impedance	NA	4 Ohms
Sensitivity	NA	116 dB SPL @ 1m
Frequency Response	60 Hz â€” 15 KHz	45Hz â€“ 20Khz
Maximum Power Input	DC SV / 2A	DC 20V, 3.25A
Maximum Power Output	80 W ( RMS )	65 W ( RMS ) Class D Amplifier
Signal to Noise Ratio	> 60 dB	NA

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	5.0	5.0
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	MP3, FLAC, WAC, APE, WMA	SBC
Battery Type	Lithium Ion Batteries	Lithium-Ion Batteries
Bluetooth Range	10 Meters	10 Meters
Battery Life	9 Hours	10 Hours
Charging Time	4 Hours	3 Hours

Noise Cancelling	Active	NA
Aux Connectivity	Yes	Yes
Weight	7.13 Kg	6.2 Kg
Dimensions	379 mm X 279 mm X 188 mm	Speaker : 240 mm X 242 mm X 333 mm
Available Colors	Gold	Black
Accessories	MI-X440 Enigma Beta Bluetooth Speaker User Manual Warranty Card Remote Control Apple Audio Cable 3.5 mm Audio Cable DC15V 1.6A Charger Android Audio Cable Type C charging Cable	Positive Grid Spark Edge Amplifier Get Started Card Safety Instructions Card AC To DC Power Adapter USB Type-C Charging Cable
Other Features	Reproduction. True Wireless Stereo. BASS++ sound profile. A league above our exciting. Experience Hi-Fidelity audio reproduction.	2 Year Warranty. Play up to 10 hours with optional battery power. "Battery sold separately". Stream music via Bluetooth and connect to WiFi for quick and easy updates. 65-Watts of full, dynamic sound powered by Sonic IQ technology packed into one portable, compact unit. Get access to tons of amps & effects, the Creative Groove Looper, Spark AI and more through the included Spark app. Features 2 1/4"/XLR combo inputs and a pair of stereo inputs for a total of 4 separate channels for electric or acoustic guitar, bass, keyboards, vocals and more.
	Compare Aiwa MI-X440 Enigma Beta with: Sony SRS-XV500 JBL PartyBox Club 120 Bose Portable Smart Speaker Bose Smart Speaker 500 Sony SRS-RA5000	Compare Positive Grid Spark Edge with: Bose Portable Smart Speaker Bose Smart Speaker 500 Sony SRS-XP700 Sony SRS-XV500 JBL PartyBox Club 120

Aiwa MI-X440 Enigma Beta and Positive Grid Spark Edge are powerful home theatre speaker systems designed to deliver immersive surround sound with modern audio technologies. Connectivity features such as Bluetooth and HDMI ensure compatibility with a wide range of devices. Audio enhancements and surround technologies improve clarity and spatial sound performance. Variations in sound output and surround capabilities affect how immersive the audio experience feels. Both models are designed for movies, music, and gaming, delivering a cinematic experience at home.

Verdict: Both systems are competitive, and the right option depends on your room size, usage, and feature requirements.

Top Differences

Sound Output: 80W vs 65W
Channels: 80 vs 65
Bluetooth: na vs no
Frequency Response: 60 Hz â€” 15 KHz vs 45Hz â€“ 20Khz

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