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Side-by-side financial comparison of Ambow Education Holding Ltd. (AMBO) and KOSS CORP (KOSS). Click either name above to swap in a different company.

KOSS CORP is the larger business by last-quarter revenue ($2.9M vs $2.8M, roughly 1.0× Ambow Education Holding Ltd.). Ambow Education Holding Ltd. runs the higher net margin — 64.2% vs -19.8%, a 83.9% gap on every dollar of revenue. On growth, Ambow Education Holding Ltd. posted the faster year-over-year revenue change (15.3% vs -19.6%).

Ambow Education Holding Ltd. is a China-focused education service provider that offers personalized learning solutions, professional career training programs, and K-12 after-school tutoring services. It partners with educational institutions and enterprises to deliver technology-integrated learning resources for learners of all age groups across mainland China.

Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.

AMBO vs KOSS — Head-to-Head

Bigger by revenue
KOSS
KOSS
1.0× larger
KOSS
$2.9M
$2.8M
AMBO
Growing faster (revenue YoY)
AMBO
AMBO
+34.9% gap
AMBO
15.3%
-19.6%
KOSS
Higher net margin
AMBO
AMBO
83.9% more per $
AMBO
64.2%
-19.8%
KOSS

Income Statement — Q2 FY2025 vs Q2 FY2026

Metric
AMBO
AMBO
KOSS
KOSS
Revenue
$2.8M
$2.9M
Net Profit
$1.8M
$-565.4K
Gross Margin
53.3%
29.0%
Operating Margin
11.9%
-35.5%
Net Margin
64.2%
-19.8%
Revenue YoY
15.3%
-19.6%
Net Profit YoY
1343.1%
-700.6%
EPS (diluted)
$0.03
$-0.06

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AMBO
AMBO
KOSS
KOSS
Q4 25
$2.9M
Q3 25
$4.1M
Q2 25
$2.8M
$3.1M
Q1 25
$2.8M
Q4 24
$3.6M
Q3 24
$3.2M
Q2 24
$2.4M
$2.9M
Q1 24
$2.6M
Net Profit
AMBO
AMBO
KOSS
KOSS
Q4 25
$-565.4K
Q3 25
$243.7K
Q2 25
$1.8M
$-232.7K
Q1 25
$-316.7K
Q4 24
$94.1K
Q3 24
$-419.5K
Q2 24
$123.0K
$-110.4K
Q1 24
$-313.8K
Gross Margin
AMBO
AMBO
KOSS
KOSS
Q4 25
29.0%
Q3 25
40.0%
Q2 25
53.3%
36.0%
Q1 25
39.0%
Q4 24
39.5%
Q3 24
36.6%
Q2 24
55.6%
40.4%
Q1 24
31.9%
Operating Margin
AMBO
AMBO
KOSS
KOSS
Q4 25
-35.5%
Q3 25
-1.1%
Q2 25
11.9%
-14.2%
Q1 25
-18.7%
Q4 24
-4.0%
Q3 24
-19.9%
Q2 24
2.7%
-11.0%
Q1 24
-23.1%
Net Margin
AMBO
AMBO
KOSS
KOSS
Q4 25
-19.8%
Q3 25
6.0%
Q2 25
64.2%
-7.5%
Q1 25
-11.4%
Q4 24
2.6%
Q3 24
-13.1%
Q2 24
5.1%
-3.8%
Q1 24
-11.9%
EPS (diluted)
AMBO
AMBO
KOSS
KOSS
Q4 25
$-0.06
Q3 25
$0.03
Q2 25
$0.03
$-0.02
Q1 25
$-0.03
Q4 24
$0.01
Q3 24
$-0.05
Q2 24
$0.00
$-0.01
Q1 24
$-0.03

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AMBO
AMBO
KOSS
KOSS
Cash + ST InvestmentsLiquidity on hand
$4.1M
$15.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$8.6M
$30.3M
Total Assets
$23.2M
$36.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBO
AMBO
KOSS
KOSS
Q4 25
$15.5M
Q3 25
$16.5M
Q2 25
$4.1M
$15.7M
Q1 25
$13.0M
Q4 24
$9.7M
Q3 24
$11.9M
Q2 24
$1.6M
$14.9M
Q1 24
$9.9M
Stockholders' Equity
AMBO
AMBO
KOSS
KOSS
Q4 25
$30.3M
Q3 25
$30.9M
Q2 25
$8.6M
$30.6M
Q1 25
$30.7M
Q4 24
$31.0M
Q3 24
$30.8M
Q2 24
$6.6M
$31.1M
Q1 24
$31.1M
Total Assets
AMBO
AMBO
KOSS
KOSS
Q4 25
$36.8M
Q3 25
$37.7M
Q2 25
$23.2M
$37.2M
Q1 25
$37.3M
Q4 24
$37.4M
Q3 24
$38.1M
Q2 24
$17.6M
$37.2M
Q1 24
$37.6M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMBO
AMBO
KOSS
KOSS
Operating Cash FlowLast quarter
$-760.8K
Free Cash FlowOCF − Capex
$-1.1M
FCF MarginFCF / Revenue
-37.5%
Capex IntensityCapex / Revenue
10.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-546.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBO
AMBO
KOSS
KOSS
Q4 25
$-760.8K
Q3 25
$762.6K
Q2 25
$-534.9K
Q1 25
$370.4K
Q4 24
$-252.0K
Q3 24
$201.6K
Q2 24
$-174.0K
Q1 24
$328.6K
Free Cash Flow
AMBO
AMBO
KOSS
KOSS
Q4 25
$-1.1M
Q3 25
$761.5K
Q2 25
$-541.8K
Q1 25
$306.2K
Q4 24
$-314.3K
Q3 24
$-155.6K
Q2 24
$-174.8K
Q1 24
$269.3K
FCF Margin
AMBO
AMBO
KOSS
KOSS
Q4 25
-37.5%
Q3 25
18.7%
Q2 25
-17.6%
Q1 25
11.0%
Q4 24
-8.8%
Q3 24
-4.9%
Q2 24
-6.0%
Q1 24
10.2%
Capex Intensity
AMBO
AMBO
KOSS
KOSS
Q4 25
10.9%
Q3 25
0.0%
Q2 25
0.2%
Q1 25
2.3%
Q4 24
1.8%
Q3 24
11.2%
Q2 24
0.0%
Q1 24
2.3%
Cash Conversion
AMBO
AMBO
KOSS
KOSS
Q4 25
Q3 25
3.13×
Q2 25
Q1 25
Q4 24
-2.68×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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